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Files from Ubuntu

Email addresssecurity at ubuntu.com
First Active2004-10-28
Last Active2020-10-21
Ubuntu Security Notice USN-3968-3
Posted Sep 28, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3968-3 - USN-3968-1 fixed several vulnerabilities in Sudo. This update provides the corresponding update for Ubuntu 14.04 ESM. Florian Weimer discovered that Sudo incorrectly handled the noexec restriction when used with certain applications. A local attacker could possibly use this issue to bypass configured restrictions and execute arbitrary commands. Various other issues were also addressed.

tags | advisory, arbitrary, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2016-7032
MD5 | 6044cf85ada96b50d32b99b140fb790d
Ubuntu Security Notice USN-4546-1
Posted Sep 28, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4546-1 - Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, conduct cross-site scripting attacks, spoof the site displayed in the download dialog, or execute arbitrary code.

tags | advisory, denial of service, arbitrary, spoof, xss
systems | linux, ubuntu
advisories | CVE-2020-15673, CVE-2020-15677
MD5 | f02d01635a1ac2eedfe980130e35d00a
Ubuntu Security Notice USN-4545-1
Posted Sep 28, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4545-1 - It was discovered that libquicktime incorrectly handled certain malformed MP4 files. If a user were tricked into opening a specially crafted MP4 file, a remote attacker could use this issue to cause a denial of service. It was discovered that libquicktime incorrectly handled certain malformed MP4 files. If a user were tricked into opening a specially crafted MP4 file, a remote attacker could use this issue to cause libquicktime to crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2017-9122, CVE-2017-9125, CVE-2017-9126, CVE-2017-9127
MD5 | 82a9122d668579c365d56e1def5f7ce8
Ubuntu Security Notice USN-4541-1
Posted Sep 28, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4541-1 - Tim Blazytko, Cornelius Aschermann, Sergej Schumilo and Nils Bars discovered that Gnuplot did not properly validate string sizes in the df_generate_ascii_array_entry function. An attacker could possibly use this issue to cause a heap buffer overflow, resulting in a denial of service attack or arbitrary code execution. Tim Blazytko, Cornelius Aschermann, Sergej Schumilo and Nils Bars discovered that Gnuplot did not properly validate string sizes in the PS_options function when the Gnuplot postscript terminal is used as a backend. An attacker could possibly use this issue to cause a buffer overflow, resulting in a denial of service attack or arbitrary code execution. Various other issues were also addressed.

tags | advisory, denial of service, overflow, arbitrary, code execution
systems | linux, ubuntu
advisories | CVE-2018-19490, CVE-2018-19491, CVE-2018-19492
MD5 | a2d584e45b3bcb0222cfcf7ec75368ab
Ubuntu Security Notice USN-4543-1
Posted Sep 27, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4543-1 - Michał Bentkowski discovered that Sanitize did not properly sanitize some math or svg HTML under certain circumstances. A remote attacker could potentially exploit this to conduct cross-site scripting attacks.

tags | advisory, remote, xss
systems | linux, ubuntu
advisories | CVE-2020-4054
MD5 | f7276c40d308ac3763e9648293aba821
Ubuntu Security Notice USN-4542-1
Posted Sep 26, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4542-1 - It was discovered that MiniUPnPd did not properly validate callback addresses. A remote attacker could possibly use this issue to expose sensitive information. It was discovered that MiniUPnPd incorrectly handled unpopulated user XML input. An attacker could possibly use this issue to cause MiniUPnPd to crash, resulting in a denial of service. It was discovered that MiniUPnPd incorrectly handled an empty description when port mapping. An attacker could possibly use this issue to cause MiniUPnPd to crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2019-12107, CVE-2019-12110, CVE-2019-12111
MD5 | 74d311d5f6eb54781286c7b5650a1990
Ubuntu Security Notice USN-4540-1
Posted Sep 25, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4540-1 - Denis Andzakovic discovered that atftpd incorrectly handled certain malformed packets. A remote attacker could send a specially crafted packet to cause atftpd to crash, resulting in a denial of service. Denis Andzakovic discovered that atftpd did not properly lock the thread list mutex. An attacker could send a large number of tftpd packets simultaneously when running atftpd in daemon mode to cause atftpd to crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2019-11365, CVE-2019-11366
MD5 | 85a92f5a6833b52838d668bab5904769
Ubuntu Security Notice USN-4539-1
Posted Sep 24, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4539-1 - Andrew Bartlett discovered that DAViCal Andrew's Web Libraries did not properly manage session keys. An attacker could possibly use this issue to impersonate a session.

tags | advisory, web
systems | linux, ubuntu
advisories | CVE-2020-11728
MD5 | 44eaff60e3935fcf8a263b260377821b
Ubuntu Security Notice USN-4536-1
Posted Sep 24, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4536-1 - Youssouf Boulouiz discovered that SPIP incorrectly handled login error messages. A remote attacker could potentially exploit this to conduct cross-site scripting attacks. Gilles Vincent discovered that SPIP incorrectly handled password reset requests. A remote attacker could possibly use this issue to cause SPIP to enumerate registered users. Guillaume Fahrner discovered that SPIP did not properly sanitize input. A remote authenticated attacker could possibly use this issue to execute arbitrary code on the host server. Various other issues were also addressed.

tags | advisory, remote, arbitrary, xss
systems | linux, ubuntu
advisories | CVE-2017-15736, CVE-2019-11071, CVE-2019-16391, CVE-2019-16392, CVE-2019-16393, CVE-2019-16394, CVE-2019-19830
MD5 | 26358c71d5c54c232b20eb20dc1c6bc3
Ubuntu Security Notice USN-4538-1
Posted Sep 24, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4538-1 - Vaisha Bernard discovered that PackageKit incorrectly handled certain methods. A local attacker could use this issue to learn the MIME type of any file on the system. Sami Niemimäki discovered that PackageKit incorrectly handled local deb packages. A local user could possibly use this issue to install untrusted packages, contrary to expectations.

tags | advisory, local
systems | linux, ubuntu
advisories | CVE-2020-16121, CVE-2020-16122
MD5 | 9ab387948f7d20a426a21b86db0d000e
Ubuntu Security Notice USN-4537-1
Posted Sep 24, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4537-1 - Vaisha Bernard discovered that Aptdaemon incorrectly handled the Locale property. A local attacker could use this issue to test for the presence of local files.

tags | advisory, local
systems | linux, ubuntu
advisories | CVE-2020-15703
MD5 | 79d913f2fe0fa46f1fd8a7e378f21f45
Ubuntu Security Notice USN-4535-1
Posted Sep 24, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4535-1 - Gabriel Corona discovered that RDFLib did not properly load modules on the command-line. An attacker could possibly use this issue to cause RDFLib to execute arbitrary code.

tags | advisory, arbitrary
systems | linux, ubuntu
advisories | CVE-2019-7653
MD5 | d7118c8df0a69ff1a86eb57717176ba9
Ubuntu Security Notice USN-4534-1
Posted Sep 23, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4534-1 - It was discovered that Perl DBI module incorrectly handled certain inputs. An attacker could possibly use this issue to cause a crash or expose sensitive information.

tags | advisory, perl
systems | linux, ubuntu
advisories | CVE-2019-20919
MD5 | 81da7816a7bd783ef177b9e1666a82d6
Ubuntu Security Notice USN-4533-1
Posted Sep 23, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4533-1 - Veeti Veteläinen discovered that the LTSP Display Manager incorrectly handled user logins from unsupported shells. A local attacker could possibly use this issue to gain root privileges.

tags | advisory, shell, local, root
systems | linux, ubuntu
advisories | CVE-2019-20373
MD5 | f737de063aa0c72d9f092dd14307d74a
Ubuntu Security Notice USN-4532-1
Posted Sep 23, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4532-1 - It was discovered that Netty incorrectly handled certain HTTP headers. By sending an HTTP header with whitespace before the colon, a remote attacker could possibly use this issue to perform an HTTP request smuggling attack. It was discovered that Netty incorrectly handled certain HTTP headers. By sending an HTTP header that lacks a colon, a remote attacker could possibly use this issue to perform an HTTP request smuggling attack. Various other issues were also addressed.

tags | advisory, remote, web
systems | linux, ubuntu
advisories | CVE-2019-16869, CVE-2019-20444, CVE-2019-20445
MD5 | 5ae25a0d5a546f3db8eb194eab1e23cf
Ubuntu Security Notice USN-4530-1
Posted Sep 22, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4530-1 - Wolfgang Schweer discovered that Debian-LAN did not properly handle ACLs for the Kerberos admin server. A local attacker could possibly use this issue to change the passwords of other users, leading to root privilege escalation.

tags | advisory, local, root
systems | linux, debian, ubuntu
advisories | CVE-2019-3467
MD5 | 1ed5ed1abd998bda2cba606ced76cd87
Ubuntu Security Notice USN-4531-1
Posted Sep 22, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4531-1 - It was discovered that the BusyBox wget applet incorrectly validated SSL certificates. A remote attacker could possibly use this issue to intercept secure communications.

tags | advisory, remote
systems | linux, ubuntu
advisories | CVE-2018-1000500
MD5 | 35998d78e3effc0e981fd1066145d355
Ubuntu Security Notice USN-4529-1
Posted Sep 22, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4529-1 - It was discovered that FreeImage incorrectly handled certain memory operations. If a user were tricked into opening a crafted TIFF file, a remote attacker could use this issue to cause a heap buffer overflow, resulting in a denial of service attack. It was discovered that FreeImage incorrectly processed images under certain circumstances. If a user were tricked into opening a crafted TIFF file, a remote attacker could possibly use this issue to cause a stack exhaustion condition, resulting in a denial of service attack. Various other issues were also addressed.

tags | advisory, remote, denial of service, overflow
systems | linux, ubuntu
advisories | CVE-2019-12211, CVE-2019-12213
MD5 | e4d795e868523f46e11bced7d75ce497
Ubuntu Security Notice USN-4528-1
Posted Sep 22, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4528-1 - Adam Mohammed discovered that Ceph incorrectly handled certain CORS ExposeHeader tags. A remote attacker could possibly use this issue to perform an HTTP header injection attack. Lei Cao discovered that Ceph incorrectly handled certain POST requests with invalid tagging XML. A remote attacker could possibly use this issue to cause Ceph to crash, leading to a denial of service. This issue only affected Ubuntu 18.04 LTS. Various other issues were also addressed.

tags | advisory, remote, web, denial of service
systems | linux, ubuntu
advisories | CVE-2020-10753, CVE-2020-12059, CVE-2020-1760
MD5 | fab54bac4dc3199926f75767984dd1fa
Ubuntu Security Notice USN-4526-1
Posted Sep 22, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4526-1 - It was discovered that the AMD Cryptographic Coprocessor device driver in the Linux kernel did not properly deallocate memory in some situations. A local attacker could use this to cause a denial of service. It was discovered that the Conexant 23885 TV card device driver for the Linux kernel did not properly deallocate memory in some error conditions. A local attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2019-18808, CVE-2019-19054, CVE-2019-19061, CVE-2019-19067, CVE-2019-19073, CVE-2019-9445, CVE-2020-12888, CVE-2020-14356, CVE-2020-16166
MD5 | 0555d89a453511c4928b0f3f4d89925f
Ubuntu Security Notice USN-4527-1
Posted Sep 22, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4527-1 - It was discovered that the Conexant 23885 TV card device driver for the Linux kernel did not properly deallocate memory in some error conditions. A local attacker could use this to cause a denial of service. It was discovered that the Atheros HTC based wireless driver in the Linux kernel did not properly deallocate in certain error conditions. A local attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2019-19054, CVE-2019-20811, CVE-2019-9445, CVE-2019-9453, CVE-2020-0067, CVE-2020-25212
MD5 | b8cfb269928149f8575ac32ec308fbc1
Ubuntu Security Notice USN-4525-1
Posted Sep 22, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4525-1 - It was discovered that the AMD Cryptographic Coprocessor device driver in the Linux kernel did not properly deallocate memory in some situations. A local attacker could use this to cause a denial of service. It was discovered that the Conexant 23885 TV card device driver for the Linux kernel did not properly deallocate memory in some error conditions. A local attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2019-18808, CVE-2019-19054, CVE-2020-12888, CVE-2020-16166, CVE-2020-25212
MD5 | a17d985165108ab74ad154daf6c8f23f
Ubuntu Security Notice USN-4524-1
Posted Sep 21, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4524-1 - Paul Dreik discovered that TNEF incorrectly handled filenames. If a user were tricked into opening a specially crafted email attachment, an attacker could possibly use this issue to write arbitrary files to the filesystem or cause TNEF crash, resulting in a denial of service.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2019-18849
MD5 | a78e8f2a7370ccd4de7083c10e0fac3f
Ubuntu Security Notice USN-4523-1
Posted Sep 21, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4523-1 - It was discovered that LibOFX did not properly check for errors in certain situations, leading to a NULL pointer dereference. A remote attacker could use this issue to cause a denial of service attack.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2019-9656
MD5 | a23b7d22d1b3ff45fcb73f73dbb1c7ba
Ubuntu Security Notice USN-4522-1
Posted Sep 21, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4522-1 - It was discovered that noVNC did not properly manage certain messages, resulting in the remote VNC server injecting arbitrary HTML into the noVNC web page. An attacker could use this issue to conduct cross-site scripting attacks.

tags | advisory, remote, web, arbitrary, xss
systems | linux, ubuntu
advisories | CVE-2017-18635
MD5 | 59a7e5a0c092d88cf983a64841479d13
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