From: glsamaker@gentoo.org
To: gentoo-announce@lists.gentoo.org
Subject: [gentoo-announce] [ GLSA 202212-07 ] libksba: Remote Code Execution
Date: Wed, 28 Dec 2022 18:58:29 -0000 [thread overview]
Message-ID: <167225390941.8.17352942919811838572@2ac734cbf5a7> (raw)
[-- Attachment #1: Type: text/plain, Size: 2424 bytes --]
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 202212-07
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
https://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: High
Title: libksba: Remote Code Execution
Date: December 28, 2022
Bugs: #877453
ID: 202212-07
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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 < 1.6.3 >= 1.6.3
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-1.6.3"
References
==========
[ 1 ] CVE-2022-3515
https://nvd.nist.gov/vuln/detail/CVE-2022-3515
[ 2 ] CVE-2022-47629
https://nvd.nist.gov/vuln/detail/CVE-2022-47629
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202212-07
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
[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 833 bytes --]
reply other threads:[~2022-12-28 19:01 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=167225390941.8.17352942919811838572@2ac734cbf5a7 \
--to=glsamaker@gentoo.org \
--cc=gentoo-announce@lists.gentoo.org \
--cc=security@gentoo.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox