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Gentoo: GLSA 202305-12 Critical Bugs in OpenSSL Risk Data Loss and DoS

gentoo
Calendar Grey June 25, 2012
Dist Gentoo Esm H88
Weaknesses in Linux-PAM might allow local users to gain higher privileges and instigate service disruptions on Gentoo installations.
Multiple vulnerabilities have been found in Linux-PAM, allowing local attackers to possibly gain escalated privileges, cause a Denial of Service, corrupt data, or obtain sensitive ...

Summary

Multiple vulnerabilities have been discovered in Linux-PAM. Please review the CVE identifiers referenced below for details.

Topics%20covered

Topics Covered

security advisory denial of service gentoo high escalation linux-pam

Resolution

All Linux-PAM users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=sys-libs/pam-1.1.5"
NOTE: This is a legacy GLSA. Updates for all affected architectures are available since November 25, 2011. It is likely that your system is already no longer affected by this issue.

References

[ 1 ] CVE-2010-3316 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-3316 [ 2 ] CVE-2010-3430 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-3430 [ 3 ] CVE-2010-3431 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-3431 [ 4 ] CVE-2010-3435 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-3435 [ 5 ] CVE-2010-3853 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-3853 [ 6 ] CVE-2010-4706 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-4706 [ 7 ] CVE-2010-4707 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-4707 [ 8 ] CVE-2010-4708 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-4708 [ 9 ] CVE-2011-3148 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3148 [ 10 ] CVE-2011-3149 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3149

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201206-31
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: High
Title: Linux-PAM: Multiple vulnerabilities
Date: June 25, 2012
Bugs: #343399, #386273, #388431
ID: 201206-31

Topics%20covered

Topics Covered

security advisory denial of service gentoo high escalation linux-pam

Synopsis

Multiple vulnerabilities have been found in Linux-PAM, allowing local attackers to possibly gain escalated privileges, cause a Denial of Service, corrupt data, or obtain sensitive information.

Background

Linux-PAM (Pluggable Authentication Modules) is an architecture allowing the separation of the development of privilege granting software from the development of secure and appropriate authentication schemes.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 sys-libs/pam < 1.1.5 >= 1.1.5

Impact

===== A local attacker could use specially crafted files to cause a buffer overflow, possibly resulting in privilege escalation or Denial of Service. Furthermore, a local attacker could execute specially crafted programs or symlink attacks, possibly resulting in data loss or disclosure of sensitive information.

Workaround

There is no known workaround at this time.

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