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CVE-2023-38633

Publication date 22 July 2023

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
librsvg 23.04 lunar
Fixed 2.54.5+dfsg-1ubuntu2.1
22.04 LTS jammy
Fixed 2.52.5+dfsg-3ubuntu0.2
20.04 LTS focal
Fixed 2.48.9-1ubuntu0.20.04.4
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty Ignored end of standard support

Notes

alexmurray

PoC is provided in the oss-security post as well as the upstream bug report.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
librsvg

Severity score breakdown

Parameter Value
Base score 5.5 · Medium
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References

Related Ubuntu Security Notices (USN)

Other references