Discover Government News

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory                           GLSA 202210-23
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                           https://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

 Severity: High
    Title: libksba: Remote Code Execution
     Date: October 31, 2022
     Bugs: #877453
       ID: 202210-23

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Synopsis
=======
An integer overflow vulnerability has been found in libksba which could
result in remote code execution.

Background
=========
Libksba is a X.509 and CMS (PKCS#7) library.

Affected packages
================
    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  dev-libs/libksba           < 1.6.2                      >= 1.6.2

Description
==========
An integer overflow in parsing ASN.1 objects could lead to a buffer
overflow.

Impact
=====
Crafted ASN.1 objects could trigger an integer overflow and buffer
overflow to result in remote code execution.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All libksba users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-libs/libksba-1.6.2"

References
=========
[ 1 ] CVE-2022-3515
      https://nvd.nist.gov/vuln/detail/CVE-2022-3515

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/202210-23

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.

License
======
Copyright 2022 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5/

Gentoo: GLSA-202210-23: libksba: Remote Code Execution

An integer overflow vulnerability has been found in libksba which could result in remote code execution.

Summary

An integer overflow in parsing ASN.1 objects could lead to a buffer overflow.

Resolution

All libksba users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-libs/libksba-1.6.2"

References

[ 1 ] CVE-2022-3515 https://nvd.nist.gov/vuln/detail/CVE-2022-3515

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202210-23

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
Severity: High
Title: libksba: Remote Code Execution
Date: October 31, 2022
Bugs: #877453
ID: 202210-23

Synopsis

An integer overflow vulnerability has been found in libksba which could result in remote code execution.

Background

Libksba is a X.509 and CMS (PKCS#7) library.

Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-libs/libksba < 1.6.2 >= 1.6.2

Impact

===== Crafted ASN.1 objects could trigger an integer overflow and buffer overflow to result in remote code execution.

Workaround

There is no known workaround at this time.

Related News