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CVE-2023-38633

Published: 22 July 2023

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.

Notes

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

Priority

Medium

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
librsvg
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal
Released (2.48.9-1ubuntu0.20.04.4)
jammy
Released (2.52.5+dfsg-3ubuntu0.2)
lunar
Released (2.54.5+dfsg-1ubuntu2.1)
trusty Ignored
(end of standard support)
upstream
Released (2.56.91,2.56.3,2.55.3,2.54.6,2.52.10,2.50.8,2.48.11,2.46.6)
xenial Not vulnerable
(code not present)
Patches:
upstream: https://gitlab.gnome.org/GNOME/librsvg/-/commit/8d2cb4be8714dfbf0914bdcf9df3b246516e7f83
upstream: https://gitlab.gnome.org/GNOME/librsvg/-/commit/1ccb995f5a30c9abec77d2fe390a323a82dffd89
upstream: https://gitlab.gnome.org/GNOME/librsvg/-/commit/15293f1243e1dd4756ffc1d13d5a8ea49167174f
upstream: https://gitlab.gnome.org/GNOME/librsvg/-/commit/f835dee461de1128e19f4b1e962bf5ceec66a0e8
upstream: https://gitlab.gnome.org/GNOME/librsvg/-/commit/d1f066bf2198bd46c5ba80cb5123b768ec16e37d
upstream: https://gitlab.gnome.org/GNOME/librsvg/-/commit/25e2e0301d4ca120189e0fcdd3d01656d59bc2c6
upstream: https://gitlab.gnome.org/GNOME/librsvg/-/commit/22bcb919c8b39133370c7fc0eb27176fb09aa4fb

Severity score breakdown

Parameter Value
Base score 5.5
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