Unix/Darbe-A is a new kernel rootkit backdoor based in the /proc file system.
e25b0997b5091f37ef98994f27fe8bbbd761dbb249f79ecc16ff5c73bf2ba57eMandriva Linux Security Advisory 2012-123 - Multiple heap-based buffer overflow flaws were found in the XML manifest encryption tag parsing code of LibreOffice. An attacker could create a specially-crafted file in the Open Document Format for Office Applications format which when opened could cause arbitrary code execution. libreoffice for Mandriva Linux 2011 has been upgraded to the 3.5.5 version which is not vulnerable to this issue.
74e32dd9f3fd8c69c0ed7ea725fef06274f6e407d2787625ef8145944f3c6ec2Mandriva Linux Security Advisory 2012-122 - Multiple vulnerabilities has been discovered and corrected in icedtea-web. An uninitialized pointer use flaw was found in IcedTea-Web web browser plugin. A malicious web page could use this flaw make IcedTea-Web browser plugin pass invalid pointer to a web browser. Depending on the browser used, it may cause the browser to crash or possibly execute arbitrary code. It was discovered that the IcedTea-Web web browser plugin incorrectly assumed that all strings provided by browser are NUL terminated, which is not guaranteed by the NPAPI (Netscape Plugin Application Programming Interface. When used in a browser that does not NUL terminate NPVariant NPStrings, this could lead to buffer over-read or over-write, resulting in possible information leak, crash, or code execution. The updated packages have been upgraded to the 1.1.6 version which is not affected by these issues.
e54255ca79425edaf6f80ec86b150446915000646da9fc75bb873211676e0a94HP Security Bulletin HPSBMU02796 SSRT100594 3 - Potential security vulnerabilities have been identified with HP Operations Agent and HP Performance Agent for AIX, HP-UX, Linux, Solaris, and Windows. The vulnerabilities could be remotely exploited resulting in the execution of arbitrary code. Revision 3 of this advisory.
3f6dc4794fecdbb1b3d9d771df74bec69fbc5554fc0f551c124b56e6401a877cDebian Linux Security Advisory 2520-1 - Timo Warns from PRE-CERT discovered multiple heap-based buffer overflows in OpenOffice.org, an office productivity suite. The issues lies in the XML manifest encryption tag parsing code. Using specially crafted files, an attacker can cause application crash and could cause arbitrary code execution.
01058fb3e73899f5614de4378a1f281d11b663b075a75d78a87026487124e896Mandriva Linux Security Advisory 2012-121 - A Heap-based buffer overflow was found in the way libjpeg-turbo decompressed certain corrupt JPEG images in which the component count was erroneously set to a large value. An attacker could create a specially-crafted JPEG image that, when opened, could cause an application using libpng to crash or, possibly, execute arbitrary code with the privileges of the user running the application. The updated packages have been patched to correct this issue.
f2ad581b2eb2a623f29ef94aceecd64aa6519150410652e8ff0180d2a6b74f2eDebian Linux Security Advisory 2519-1 - Several security vulnerabilities affecting ISC dhcpd, a server for automatic IP address assignment, have been discovered. Additionally, the latest security update for isc-dhcp, DSA-2516-1, did not properly apply the patches for CVE-2012-3571 and CVE-2012-3954. This has been addressed in this additional update.
e479c19eca6b0a977ba08f2378c2c6d472b961bb6278e8c807d1506c363ab2e5Debian Linux Security Advisory 2518-1 - Emmanuel Bouillon from NCI Agency discovered multiple vulnerabilities in MIT Kerberos, a daemon implementing the network authentication protocol.
c345c3a09eb83c7948689c2f863b0f6c17f32c2ddaaa2bf52d96090953f5df04This is an anonymously written exploit that takes advantage of an Nvidia Linux driver vulnerability.
f7a37659c829209a18831e8b225b98e700c02613884ed687eade603d37da27adSecunia Security Advisory - A vulnerability has been reported in Linux Kernel, which can be exploited by malicious people to cause a DoS (Denial of Service).
b2a86bbb053392b99255f9835055128c24875e9d1cde9a8cce6cd86e73356852iptables is built on top of netfilter, the packet alteration framework for Linux 2.4.x and 2.6.x. It is a major rewrite of its predecessor ipchains, and is used to control packet filtering, Network Address Translation (masquerading, portforwarding, transparent proxying), and special effects such as packet mangling.
867c144e60075e7bebe6fcecf0b65169d5e2d1fa5ceec2ebd9780cd5026123eaconntrack-tools is a set of userspace tools for Linux that allow system administrators to interact with the Connection Tracking System, the module which provides stateful packet inspection for iptables. It includes the userspace daemon conntrackd and the commandline interface conntrack.
e1da5f4c46094c252df5a167b28ecf2085dd73d1258316021d80612e5c9e332bRed Hat Security Advisory 2012-1130-01 - The xen packages contain administration tools and the xend service for managing the kernel-xen kernel for virtualization on Red Hat Enterprise Linux. A flaw was found in the way the pyGrub boot loader handled compressed kernel images. A privileged guest user in a para-virtualized guest could use this flaw to create a crafted kernel image that, when attempting to boot it, could result in an out-of-memory condition in the privileged domain.
42dc7fc7f4242c34b5fee2c87659f3b6aa1715f04f6efce9032ba41dce31257aRed Hat Security Advisory 2012-1129-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A NULL pointer dereference flaw was found in the nf_ct_frag6_reasm() function in the Linux kernel's netfilter IPv6 connection tracking implementation. A remote attacker could use this flaw to send specially-crafted packets to a target system that is using IPv6 and also has the nf_conntrack_ipv6 kernel module loaded, causing it to crash.
6c0b4a58bbe502f34d3cdba3053094775341e381fd60d5e809bd0de7e804b918Debian Linux Security Advisory 2517-1 - Einar Lonn discovered that under certain conditions bind9, a DNS server, may use cached data before initialization. As a result, an attacker can trigger and assertion failure on servers under high query load that do DNSSEC validation.
1264cbf6ebe6d856f52045f33b4880823f6d6637579867ab6419f12fcd0c8aa0Mandriva Linux Security Advisory 2012-110 - Security issues were identified and fixed in mozilla firefox and thunderbird. Mozilla developers identified and fixed several memory safety bugs in the browser engine used in Firefox and other Mozilla-based products. Security researcher Mario Gomes and research firm Code Audit Labs reported a mechanism to short-circuit page loads through drag and drop to the address bar by canceling the page load. Google security researcher Abhishek Arya used the Address Sanitizer tool to uncover four issues. Various other security issues have also been addressed.
fc759a56d0fd0415fcdc1530461fc3a3b4be19990db69c21c30eed023857e0e8Mandriva Linux Security Advisory 2012-119 - High numbers of queries with DNSSEC validation enabled can cause an assertion failure in named, caused by using a bad cache data structure before it has been initialized. The updated packages have been upgraded to bind 9.7.6-P2 and 9.8.3-P2 which is not vulnerable to this issue.
13ac256eb5b1283087978ae8aac5de7235f982e7fb811a2395d8e53457110415Mandriva Linux Security Advisory 2012-118 - A vulnerability has been discovered and corrected in ModSecurity before 2.6.6, when used with PHP, does not properly handle single quotes not at the beginning of a request parameter value in the Content-Disposition field of a request with a multipart/form-data Content-Type header, which allows remote attackers to bypass filtering rules and perform other attacks such as cross-site scripting attacks. NOTE: this vulnerability exists because of an incomplete fix for CVE-2009-5031. The updated packages have been patched to correct this issue.
5d1ed50858951c79497ef1650fc6a7b1c640f77f054e6d9d388ab3d95f9188ebMandriva Linux Security Advisory 2012-117 - PyCrypto before 2.6 does not produce appropriate prime numbers when using an ElGamal scheme to generate a key, which reduces the signature space or public key space and makes it easier for attackers to conduct brute force attacks to obtain the private key. The updated packages have been patched to correct this issue.
a257bef09bc054b9c2ddf00af72cb709c6daf86ed9863e285ba7b71a0ed7c536Mandriva Linux Security Advisory 2012-116 - An error in the handling of malformed client identifiers can cause a DHCP server running affected versions to enter a state where further client requests are not processed and the server process loops endlessly, consuming all available CPU cycles. Under normal circumstances this condition should not be triggered, but a non-conforming or malicious client could deliberately trigger it in a vulnerable server. In order to exploit this condition an attacker must be able to send requests to the DHCP server. Two memory leaks have been found and fixed in ISC DHCP. The updated packages have been patched to correct these issues.
7c7457010e58268c50229d55072e4bb9e57280b85c47418c4fa50b728f6834c8Mandriva Linux Security Advisory 2012-115 - An unexpected client identifier parameter can cause the ISC DHCP daemon to segmentation fault when running in DHCPv6 mode, resulting in a denial of service to further client requests. In order to exploit this condition, an attacker must be able to send requests to the DHCP server. An error in the handling of malformed client identifiers can cause a DHCP server running affected versions to enter a state where further client requests are not processed and the server process loops endlessly, consuming all available CPU cycles. Under normal circumstances this condition should not be triggered, but a non-conforming or malicious client could deliberately trigger it in a vulnerable server. In order to exploit this condition an attacker must be able to send requests to the DHCP server. Two memory leaks have been found and fixed in ISC DHCP. The updated packages have been upgraded to the latest version which is not affected by these issues.
a3724f3805b0b02ba67820a614a721acf82fab981a7946ece56835acdc445a6dMandriva Linux Security Advisory 2012-114 - A vulnerability has been discovered and corrected in mod_auth_openid before 0.7 for Apache uses world-readable permissions for /tmp/mod_auth_openid.db, which allows local users to obtain session ids. The updated packages have been upgraded to the latest version which is not affected by this issue.
852743b91a6fc19a2da608cfbc287d316b2388514eed739efdd5105fe90c10d4Mandriva Linux Security Advisory 2012-113 - arpwatch 2.1a15, as used by Red Hat, Debian, Fedora, and possibly others, does not properly drop supplementary groups, which might allow attackers to gain root privileges by leveraging other vulnerabilities in the daemon. The updated packages have been patched to correct this issue.
54724c7b111ef27734b56d1a5f8971d757f7fe257860c3945fd53521709f1a18Mandriva Linux Security Advisory 2012-112 - Two format string flaws were found in the way perl-DBD-Pg. A rogue server could provide a specially-crafted database warning or specially-crafted DBD statement, which once processed by the perl-DBD-Pg interface would lead to perl-DBD-Pg based process crash. The updated packages have been patched to correct this issue.
cfc570df0e44378ae630c6244564f9a1b62cf1d12fda6e443031004d32e127ebDebian Linux Security Advisory 2516-1 - Two security vulnerabilities affecting ISC dhcpd, a server for automatic IP address assignment, in Debian have been discovered.
074f53e4757eadf5549b496a0e1a2f3052b4631cb7e6cc36d0f0d9d7d8165ad883 bytes small Linux/x86 ASLR deactivation shellcode.
3c4799dd92e003e39ce50560912dd05104d6cce8bc4f1ce4a42be3063c322af2
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