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CVE-2011-1770

Status Candidate

Overview

Integer underflow in the dccp_parse_options function (net/dccp/options.c) in the Linux kernel before 2.6.33.14 allows remote attackers to cause a denial of service via a Datagram Congestion Control Protocol (DCCP) packet with an invalid feature options length, which triggers a buffer over-read.

Related Files

Ubuntu Security Notice USN-1212-1
Posted Sep 21, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1212-1 - Goldwyn Rodrigues discovered that the OCFS2 filesystem did not correctly clear memory when writing certain file holes. A local attacker could exploit this to read uninitialized data from the disk, leading to a loss of privacy. Timo Warns discovered that the LDM disk partition handling code did not correctly handle certain values. By inserting a specially crafted disk device, a local attacker could exploit this to gain root privileges. Various other issues were also addressed.

tags | advisory, local, root
systems | linux, ubuntu
advisories | CVE-2011-0463, CVE-2011-1017, CVE-2011-1020, CVE-2011-1078, CVE-2011-1079, CVE-2011-1080, CVE-2011-1160, CVE-2011-1170, CVE-2011-1171, CVE-2011-1172, CVE-2011-1173, CVE-2011-1180, CVE-2011-1182, CVE-2011-1493, CVE-2011-1494, CVE-2011-1495, CVE-2011-1577, CVE-2011-1581, CVE-2011-1593, CVE-2011-1598, CVE-2011-1745, CVE-2011-1746, CVE-2011-1748, CVE-2011-1770, CVE-2011-1771, CVE-2011-1833, CVE-2011-2022, CVE-2011-2484
MD5 | bb1d77163194f3843168c4d7dba75680
Ubuntu Security Notice USN-1205-1
Posted Sep 14, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1205-1 - It was discovered that the /proc filesystem did not correctly handle permission changes when programs executed. A local attacker could hold open files to examine details about programs running with higher privileges, potentially increasing the chances of exploiting additional vulnerabilities. Dan Rosenberg discovered that the X.25 Rose network stack did not correctly handle certain fields. If a system was running with Rose enabled, a remote attacker could send specially crafted traffic to gain root privileges. Various other issues were also addressed.

tags | advisory, remote, local, root, vulnerability
systems | linux, ubuntu
advisories | CVE-2011-1020, CVE-2011-1493, CVE-2011-1770, CVE-2011-2484, CVE-2011-2492
MD5 | ce697b98751d5a8deb1dd7df650c8a4c
Ubuntu Security Notice USN-1201-1
Posted Sep 14, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1201-1 - It was discovered that the /proc filesystem did not correctly handle permission changes when programs executed. A local attacker could hold open files to examine details about programs running with higher privileges, potentially increasing the chances of exploiting additional vulnerabilities. Dan Rosenberg discovered that the X.25 Rose network stack did not correctly handle certain fields. If a system was running with Rose enabled, a remote attacker could send specially crafted traffic to gain root privileges. Various other issues were also addressed.

tags | advisory, remote, local, root, vulnerability
systems | linux, ubuntu
advisories | CVE-2011-1020, CVE-2011-1493, CVE-2011-1770, CVE-2011-2484, CVE-2011-2492
MD5 | 35bac4877253fef4aa39d2c270f484d4
Red Hat Security Advisory 2011-1253-01
Posted Sep 12, 2011
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2011-1253-01 - Updated kernel-rt packages that fix multiple security issues and various bugs are now available for Red Hat Enterprise MRG 2.0. The Red Hat Security Response Team has rated this update as having important security impact.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2010-4243, CVE-2010-4526, CVE-2011-1020, CVE-2011-1021, CVE-2011-1090, CVE-2011-1160, CVE-2011-1478, CVE-2011-1479, CVE-2011-1494, CVE-2011-1495, CVE-2011-1576, CVE-2011-1577, CVE-2011-1585, CVE-2011-1593, CVE-2011-1598, CVE-2011-1745, CVE-2011-1746, CVE-2011-1748, CVE-2011-1767, CVE-2011-1768, CVE-2011-1770, CVE-2011-1776, CVE-2011-2022, CVE-2011-2183, CVE-2011-2213, CVE-2011-2484, CVE-2011-2491, CVE-2011-2492
MD5 | 69ada54d8d8fd32b1e47036e7b9a2906
Ubuntu Security Notice USN-1168-1
Posted Jul 16, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1168-1 - Timo Warns discovered that the LDM disk partition handling code did not correctly handle certain values. By inserting a specially crafted disk device, a local attacker could exploit this to gain root privileges. Neil Horman discovered that NFSv4 did not correctly handle certain orders of operation with ACL data. A remote attacker with access to an NFSv4 mount could exploit this to crash the system, leading to a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, local, root
systems | linux, ubuntu
advisories | CVE-2011-1017, CVE-2011-1090, CVE-2011-1163, CVE-2011-1494, CVE-2011-1495, CVE-2011-1593, CVE-2011-1598, CVE-2011-1745, CVE-2011-1746, CVE-2011-1747, CVE-2011-1748, CVE-2011-1770, CVE-2011-2022
MD5 | 008971a8f4ff5922d49f6b7f64cd0166
Ubuntu Security Notice USN-1161-1
Posted Jul 14, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1161-1 - Vasiliy Kulikov discovered that kvm did not correctly clear memory. A local attacker could exploit this to read portions of the kernel stack, leading to a loss of privacy. Timo Warns discovered that the LDM disk partition handling code did not correctly handle certain values. By inserting a specially crafted disk device, a local attacker could exploit this to gain root privileges. Various other issues were also addressed.

tags | advisory, kernel, local, root
systems | linux, ubuntu
advisories | CVE-2010-3881, CVE-2011-1017, CVE-2011-1090, CVE-2011-1163, CVE-2011-1494, CVE-2011-1495, CVE-2011-1593, CVE-2011-1598, CVE-2011-1745, CVE-2011-1746, CVE-2011-1747, CVE-2011-1748, CVE-2011-1770, CVE-2011-2022
MD5 | 4ea4888b93fd18674ef57689a4618ed3
Red Hat Security Advisory 2011-0836-01
Posted Jun 2, 2011
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2011-0836-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. An integer underflow flaw, leading to a buffer overflow, was found in the Linux kernel's Datagram Congestion Control Protocol implementation. This could allow a remote attacker to cause a denial of service. Missing sanity checks were found in setup_arg_pages() in the Linux kernel. When making the size of the argument and environment area on the stack very large, it could trigger a BUG_ON(), resulting in a local denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, overflow, kernel, local, protocol
systems | linux, redhat
advisories | CVE-2010-3858, CVE-2011-1598, CVE-2011-1748, CVE-2011-1770, CVE-2011-1771
MD5 | 5ff9833b1b3c87ae97849bd2df171c51
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