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CVE-2013-3076

Status Candidate

Overview

The crypto API in the Linux kernel through 3.9-rc8 does not initialize certain length variables, which allows local users to obtain sensitive information from kernel stack memory via a crafted recvmsg or recvfrom system call, related to the hash_recvmsg function in crypto/algif_hash.c and the skcipher_recvmsg function in crypto/algif_skcipher.c.

Related Files

Ubuntu Security Notice USN-1883-1
Posted Jun 14, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1883-1 - Kees Cook discovered a flaw in the Linux kernel's iSCSI subsystem. A remote unauthenticated attacker could exploit this flaw to cause a denial of service (system crash) or potentially gain administrative privileges. An information leak was discovered in the Linux kernel's crypto API. A local user could exploit this flaw to examine potentially sensitive information from the kernel's stack memory. Various other issues were also addressed.

tags | advisory, remote, denial of service, kernel, local, cryptography
systems | linux, ubuntu
advisories | CVE-2013-2850, CVE-2013-3076, CVE-2013-3222, CVE-2013-3223, CVE-2013-3224, CVE-2013-3225, CVE-2013-3234, CVE-2013-3235, CVE-2013-2850, CVE-2013-3076, CVE-2013-3222, CVE-2013-3223, CVE-2013-3224, CVE-2013-3225, CVE-2013-3234, CVE-2013-3235
SHA-256 | 05391e123e8f518db708439c5730e44ca40bf18bfd16a732fb02203f11b43a31
Ubuntu Security Notice USN-1882-1
Posted Jun 14, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1882-1 - Kees Cook discovered a flaw in the Linux kernel's iSCSI subsystem. A remote unauthenticated attacker could exploit this flaw to cause a denial of service (system crash) or potentially gain administrative privileges. An information leak was discovered in the Linux kernel when inotify is used to monitor the /dev/ptmx device. A local user could exploit this flaw to discover keystroke timing and potentially discover sensitive information like password length. Various other issues were also addressed.

tags | advisory, remote, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2013-2850, CVE-2013-0160, CVE-2013-2141, CVE-2013-2146, CVE-2013-3076, CVE-2013-3222, CVE-2013-3223, CVE-2013-3224, CVE-2013-3225, CVE-2013-3227, CVE-2013-3228, CVE-2013-3229, CVE-2013-3230, CVE-2013-3231, CVE-2013-3232, CVE-2013-3233, CVE-2013-3234, CVE-2013-3235, CVE-2013-0160, CVE-2013-2141, CVE-2013-2146, CVE-2013-2850, CVE-2013-3076, CVE-2013-3222, CVE-2013-3223, CVE-2013-3224, CVE-2013-3225, CVE-2013-3227
SHA-256 | 18f860d32ffeb032bd1144854bf0e161f2340320da8039ec6381f98604a9bc2e
Ubuntu Security Notice USN-1881-1
Posted Jun 14, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1881-1 - An information leak was discovered in the Linux kernel when inotify is used to monitor the /dev/ptmx device. A local user could exploit this flaw to discover keystroke timing and potentially discover sensitive information like password length. An information leak was discovered in the Linux kernel's tkill and tgkill system calls when used from compat processes. A local user could exploit this flaw to examine potentially sensitive kernel memory. Various other issues were also addressed.

tags | advisory, kernel, local
systems | linux, ubuntu
advisories | CVE-2013-0160, CVE-2013-2141, CVE-2013-2146, CVE-2013-3076, CVE-2013-3222, CVE-2013-3223, CVE-2013-3224, CVE-2013-3225, CVE-2013-3227, CVE-2013-3228, CVE-2013-3229, CVE-2013-3230, CVE-2013-3231, CVE-2013-3232, CVE-2013-3233, CVE-2013-3234, CVE-2013-3235, CVE-2013-0160, CVE-2013-2141, CVE-2013-2146, CVE-2013-3076, CVE-2013-3222, CVE-2013-3223, CVE-2013-3224, CVE-2013-3225, CVE-2013-3227, CVE-2013-3228, CVE-2013-3229
SHA-256 | 8e65cc1062bc15c589787f9d1f6787a38e54a3eac0cdb039d2a6e76a56f92352
Ubuntu Security Notice USN-1880-1
Posted Jun 14, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1880-1 - An information leak was discovered in the Linux kernel when inotify is used to monitor the /dev/ptmx device. A local user could exploit this flaw to discover keystroke timing and potentially discover sensitive information like password length. An information leak was discovered in the Linux kernel's tkill and tgkill system calls when used from compat processes. A local user could exploit this flaw to examine potentially sensitive kernel memory. Various other issues were also addressed.

tags | advisory, kernel, local
systems | linux, ubuntu
advisories | CVE-2013-0160, CVE-2013-2141, CVE-2013-2146, CVE-2013-3076, CVE-2013-3222, CVE-2013-3223, CVE-2013-3224, CVE-2013-3225, CVE-2013-3227, CVE-2013-3228, CVE-2013-3229, CVE-2013-3230, CVE-2013-3231, CVE-2013-3232, CVE-2013-3233, CVE-2013-3234, CVE-2013-3235, CVE-2013-0160, CVE-2013-2141, CVE-2013-2146, CVE-2013-3076, CVE-2013-3222, CVE-2013-3223, CVE-2013-3224, CVE-2013-3225, CVE-2013-3227, CVE-2013-3228, CVE-2013-3229
SHA-256 | 80c1944a6fe727a9ecbe1de5b6a4c5f0c12de2baaab465d1efd8c6aaa419b901
Ubuntu Security Notice USN-1879-1
Posted Jun 14, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1879-1 - Kees Cook discovered a flaw in the Linux kernel's iSCSI subsystem. A remote unauthenticated attacker could exploit this flaw to cause a denial of service (system crash) or potentially gain administrative privileges. An information leak was discovered in the Linux kernel when inotify is used to monitor the /dev/ptmx device. A local user could exploit this flaw to discover keystroke timing and potentially discover sensitive information like password length. Various other issues were also addressed.

tags | advisory, remote, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2013-2850, CVE-2013-0160, CVE-2013-2146, CVE-2013-3076, CVE-2013-3222, CVE-2013-3223, CVE-2013-3224, CVE-2013-3225, CVE-2013-3227, CVE-2013-3228, CVE-2013-3229, CVE-2013-3231, CVE-2013-3232, CVE-2013-3234, CVE-2013-3235, CVE-2013-0160, CVE-2013-2146, CVE-2013-2850, CVE-2013-3076, CVE-2013-3222, CVE-2013-3223, CVE-2013-3224, CVE-2013-3225, CVE-2013-3227, CVE-2013-3228, CVE-2013-3229, CVE-2013-3231, CVE-2013-3232
SHA-256 | 1c3ecd77d4143079e7c7df7f41d484fa02e23b0c552fe0663d9c1d0a64d272f3
Ubuntu Security Notice USN-1878-1
Posted Jun 14, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1878-1 - An information leak was discovered in the Linux kernel when inotify is used to monitor the /dev/ptmx device. A local user could exploit this flaw to discover keystroke timing and potentially discover sensitive information like password length. A flaw was discovered in the Linux kernel's perf events subsystem for Intel Sandy Bridge and Ivy Bridge processors. A local user could exploit this flaw to cause a denial of service (system crash). Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2013-0160, CVE-2013-2146, CVE-2013-3076, CVE-2013-3222, CVE-2013-3223, CVE-2013-3224, CVE-2013-3225, CVE-2013-3227, CVE-2013-3228, CVE-2013-3229, CVE-2013-3231, CVE-2013-3232, CVE-2013-3234, CVE-2013-3235, CVE-2013-0160, CVE-2013-2146, CVE-2013-3076, CVE-2013-3222, CVE-2013-3223, CVE-2013-3224, CVE-2013-3225, CVE-2013-3227, CVE-2013-3228, CVE-2013-3229, CVE-2013-3231, CVE-2013-3232, CVE-2013-3234, CVE-2013-3235
SHA-256 | 223ac43b65f7cec8dd19c93cc238ada7f5bc8988fa2619242e58e518af0df071
Ubuntu Security Notice USN-1837-1
Posted May 24, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1837-1 - An information leak was discovered in the Linux kernel's crypto API. A local user could exploit this flaw to examine potentially sensitive information from the kernel's stack memory. An information leak was discovered in the Linux kernel's rcvmsg path for ATM (Asynchronous Transfer Mode). A local user could exploit this flaw to examine potentially sensitive information from the kernel's stack memory. Various other issues were also addressed.

tags | advisory, kernel, local, cryptography
systems | linux, ubuntu
advisories | CVE-2013-3076, CVE-2013-3222, CVE-2013-3223, CVE-2013-3224, CVE-2013-3225, CVE-2013-3226, CVE-2013-3227, CVE-2013-3228, CVE-2013-3229, CVE-2013-3230, CVE-2013-3231, CVE-2013-3233, CVE-2013-3234, CVE-2013-3235, CVE-2013-3076, CVE-2013-3222, CVE-2013-3223, CVE-2013-3224, CVE-2013-3225, CVE-2013-3226, CVE-2013-3227, CVE-2013-3228, CVE-2013-3229, CVE-2013-3230, CVE-2013-3231, CVE-2013-3233, CVE-2013-3234, CVE-2013-3235
SHA-256 | a149e6791afe53949e5c21b09601ee39e3868e3706f7403265a6e6902dba012b
Red Hat Security Advisory 2013-0829-01
Posted May 20, 2013
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2013-0829-01 - Security fixes: It was found that the kernel-rt update RHBA-2012:0044 introduced an integer conversion issue in the Linux kernel's Performance Events implementation. This led to a user-supplied index into the perf_swevent_enabled array not being validated properly, resulting in out-of-bounds kernel memory access. A local, unprivileged user could use this flaw to escalate their privileges. A public exploit for CVE-2013-2094 that affects Red Hat Enterprise MRG 2 is available. Refer to Red Hat Knowledge Solution 373743, linked to in the References, for further information and mitigation instructions for users who are unable to immediately apply this update.

tags | advisory, kernel, local
systems | linux, redhat
advisories | CVE-2013-0913, CVE-2013-0914, CVE-2013-1767, CVE-2013-1774, CVE-2013-1792, CVE-2013-1819, CVE-2013-1848, CVE-2013-1860, CVE-2013-1929, CVE-2013-1979, CVE-2013-2094, CVE-2013-2546, CVE-2013-2547, CVE-2013-2548, CVE-2013-2634, CVE-2013-2635, CVE-2013-3076, CVE-2013-3222, CVE-2013-3224, CVE-2013-3225, CVE-2013-3231
SHA-256 | 00fadee46a5e7a81db412e709a930a32fe89a5061478a9d3640649e6c28b0cc4
Debian Security Advisory 2669-1
Posted May 16, 2013
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2669-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service, information leak or privilege escalation.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, debian
advisories | CVE-2013-0160, CVE-2013-1796, CVE-2013-1929, CVE-2013-1979, CVE-2013-2015, CVE-2013-2094, CVE-2013-3076, CVE-2013-3222, CVE-2013-3223, CVE-2013-3224, CVE-2013-3225, CVE-2013-3227, CVE-2013-3228, CVE-2013-3229, CVE-2013-3231, CVE-2013-3234, CVE-2013-3235, CVE-2013-3301
SHA-256 | bcfe3afbb4182656ff4cebf2d30b08f1bd994ad473bc4830c1ed33aa786d930e
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