Gentoo: GLSA-202008-05 Normal: gThumb Arbitrary Code Execution
gentoo
August 8, 2020
A buffer overflow in gThumb might allow remote attacker(s) to execute arbitrary code.
Summary
A heap-based buffer overflow in gThumb's _cairo_image_surface_create_from_jpeg() function, located in extensions/cairo_io/cairo-image-surface-jpeg.c was discovered.
Resolution
All gThumb users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=media-gfx/gthumb-3.10.0"
References
[ 1 ] CVE-2019-20326 https://nvd.nist.gov/vuln/detail/CVE-2019-20326
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202008-05
style>.gentoo_availability{display:block;}
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.
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Severity: Normal
Title: gThumb: Arbitrary code execution
Date: August 08, 2020
Bugs: #712932
ID: 202008-05
Background
gThumb is an image viewer and browser for GNOME.
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Affected Packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 media-gfx/gthumb < 3.10.0 >= 3.10.0
Impact
=====
A remote attacker could entice a user to open a specially crafted image
file using gThumb, possibly resulting in execution of arbitrary code
with the privileges of the process or a Denial of Service condition.
Workaround
There is no known workaround at this time.
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