Headline
Ubuntu Security Notice USN-6266-1
Ubuntu Security Notice 6266-1 - Zac Sims discovered that librsvg incorrectly handled decoding URLs. A remote attacker could possibly use this issue to read arbitrary files by using an include element.
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Ubuntu Security Notice USN-6266-1
August 01, 2023
librsvg vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 23.04
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
Summary:
librsvg could be made to expose sensitive information.
Software Description:
- librsvg: renderer library for SVG files
Details:
Zac Sims discovered that librsvg incorrectly handled decoding URLs. A
remote attacker could possibly use this issue to read arbitrary files by
using an include element.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 23.04:
librsvg2-2 2.54.5+dfsg-1ubuntu2.1
Ubuntu 22.04 LTS:
librsvg2-2 2.52.5+dfsg-3ubuntu0.2
Ubuntu 20.04 LTS:
librsvg2-2 2.48.9-1ubuntu0.20.04.4
After a standard system update you need to restart your session to make all
the necessary changes.
References:
https://ubuntu.com/security/notices/USN-6266-1
CVE-2023-38633
Package Information:
https://launchpad.net/ubuntu/+source/librsvg/2.54.5+dfsg-1ubuntu2.1
https://launchpad.net/ubuntu/+source/librsvg/2.52.5+dfsg-3ubuntu0.2
https://launchpad.net/ubuntu/+source/librsvg/2.48.9-1ubuntu0.20.04.4
Related news
Gentoo Linux Security Advisory 202408-14 - A vulnerability has been discovered in Librsvg, which can lead to arbitrary file reads. Versions greater than or equal to 2.56.3 are affected.
Red Hat Security Advisory 2023-5081-01 - The librsvg2 packages provide a Scalable Vector Graphics library based on the libart library.
An update for librsvg2 is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-38633: A directory traversal vulnerability was discovered in the URL decoder of Librsvg. This issue occurs when xinclude href has special characters; demonstrated by href=".?../../../../../../../../../../etc/passwd" in an xi:include element, which can allow an attacker to send a specially crafted URL request containing "dot dot" sequences (/../) to vie...
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Debian Linux Security Advisory 5484-1 - Zac Sims discovered a directory traversal in the URL decoder of librsvg, a SAX-based renderer library for SVG files, which could result in read of arbitrary files when processing a specially crafted SVG file with an include element.
A directory traversal problem in the URL decoder of librsvg before 2.56.3 could be used by local or remote attackers to disclose files (on the local filesystem outside of the expected area), as demonstrated by href=".?../../../../../../../../../../etc/passwd" in an xi:include element.