Bug 1794132 (CVE-2019-20326) - CVE-2019-20326 gthumb: heap-based buffer overflow in _cairo_image_surface_create_from_jpeg in extensions/cairo_io/cairo-image-surface-jpeg.c
Summary: CVE-2019-20326 gthumb: heap-based buffer overflow in _cairo_image_surface_cre...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2019-20326
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1796911 1796910
Blocks: 1794137
TreeView+ depends on / blocked
 
Reported: 2020-01-22 18:14 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-02-16 20:43 UTC (History)
8 users (show)

Fixed In Version: gthumb 3.8.3
Doc Type: If docs needed, set a value
Doc Text:
A heap-based buffer overflow was found in the way gThumb rendered certain JPEG images. An attacker could use a specially crafted JPEG image to cause gThumb to crash or execute arbitrary code with the permission of the user running gThumb.
Clone Of:
Environment:
Last Closed: 2020-02-20 05:29:01 UTC
Embargoed:

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Description Guilherme de Almeida Suckevicz 2020-01-22 18:14:31 UTC 
A heap-based buffer overflow in _cairo_image_surface_create_from_jpeg() in extensions/cairo_io/cairo-image-surface-jpeg.c in gThumb and Pix allows attackers to cause a crash and potentially execute arbitrary code via a crafted JPEG file.

References and upstream commits:
https://gitlab.gnome.org/GNOME/gthumb/commit/4faa5ce2358812d23a1147953ee76f59631590ad
https://gitlab.gnome.org/GNOME/gthumb/commit/14860321ce3235d420498c4f81f21003d1fb78f4
Comment 1 Guilherme de Almeida Suckevicz 2020-01-31 13:37:42 UTC 
Created gthumb tracking bugs for this issue:

Affects: epel-7 [bug 1796911]
Affects: fedora-all [bug 1796910]
Comment 2 Huzaifa S. Sidhpurwala 2020-02-20 05:29:05 UTC 
Statement:

The vulnerable code was introduced in gthumb 2.13.2. Therefore the versions of gthumb package shipped with Red Hat Enterprise Linux 5 and 6 are not affected by this flaw.
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