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CVE-2012-4562

Status Candidate

Overview

Multiple integer overflows in libssh before 0.5.3 allow remote attackers to cause a denial of service (infinite loop or crash) and possibly execute arbitrary code via unspecified vectors, which triggers a buffer overflow, infinite loop, or possibly some other unspecified vulnerabilities.

Related Files

Gentoo Linux Security Advisory 201402-26
Posted Feb 22, 2014
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201402-26 - Multiple vulnerabilities have been found in libssh, allowing attackers to execute arbitrary code or cause Denial of Service. Versions less than 0.5.3 are affected.

tags | advisory, denial of service, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2012-4559, CVE-2012-4560, CVE-2012-4561, CVE-2012-4562, CVE-2012-6063
SHA-256 | 54bc1c3293e955ccb3036adb8153e9f984fd1924bbf3e67b7588d7e7d05af3f8
Mandriva Linux Security Advisory 2013-045
Posted Apr 5, 2013
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2013-045 - Multiple double free flaws, buffer overflow flaws, invalid free flaws, and improper overflow checks in libssh before 0.5.3 could enable a denial of service attack against libssh clients, or possibly arbitrary code execution. Yong Chuan Koh discovered that libssh incorrectly handled certain negotiation requests. A remote attacker could use this to cause libssh to crash, resulting in a denial of service.

tags | advisory, remote, denial of service, overflow, arbitrary, code execution
systems | linux, mandriva
advisories | CVE-2012-4559, CVE-2012-4560, CVE-2012-4561, CVE-2012-4562, CVE-2013-0176
SHA-256 | b001afcc00872bffb479840552f9f98c8e4a053611dc49aa61aa6b801599a2cb
Slackware Security Advisory - libssh Updates
Posted Dec 10, 2012
Authored by Slackware Security Team | Site slackware.com

Slackware Security Advisory - New libssh packages are available for Slackware 14.0, and -current to fix security issues.

tags | advisory
systems | linux, slackware
advisories | CVE-2012-4559, CVE-2012-4560, CVE-2012-4561, CVE-2012-4562
SHA-256 | 366d107dd5b27da03116193c2e98ec3fa00722b8643f6ff8ea0cec9f8181fd79
Debian Security Advisory 2577-1
Posted Dec 3, 2012
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2577-1 - Multiple vulnerabilities were discovered in libssh by Florian Weimer and Xi Wang.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2012-4559, CVE-2012-4561, CVE-2012-4562
SHA-256 | dde7f32fc005ea01ee8653f47a7ddcf75c2c044d6524c2c78ec31eef012255c9
Mandriva Linux Security Advisory 2012-175
Posted Nov 29, 2012
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2012-175 - Multiple double free(), buffer overflow, invalid free() and improper overflow checks vulnerabilities were found and corrected in libssh. The updated packages have been upgraded to the 0.5.3 version which is not affected by these issues.

tags | advisory, overflow, vulnerability
systems | linux, mandriva
advisories | CVE-2012-4559, CVE-2012-4560, CVE-2012-4561, CVE-2012-4562
SHA-256 | f4e04caa8c30d741390d9960a10adde13e1d0efb016dee25e89ac918fb28044f
Ubuntu Security Notice USN-1640-1
Posted Nov 27, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1640-1 - Xi Wang and Florian Weimer discovered that libssh incorrectly handled memory. A remote attacker could use this to cause libssh to crash, resulting in a denial of service, or possibly execute arbitrary code.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2012-4559, CVE-2012-4560, CVE-2012-4561, CVE-2012-4562
SHA-256 | 49a32b62fb4070d1e8aaa6c34b9e46b28acc5b05eeb6b1a378719f9edcaa254f
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