Bug 2043722 (CVE-2021-44648) - CVE-2021-44648 gdk-pixbuf: heap-buffer overflow when decoding the lzw compressed stream of image data
Summary: CVE-2021-44648 gdk-pixbuf: heap-buffer overflow when decoding the lzw compres...
Keywords:
Status: NEW
Alias: CVE-2021-44648
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2044346 2046622 2044345 2049411
Blocks: 2043718
TreeView+ depends on / blocked
 
Reported: 2022-01-21 20:25 UTC by Todd Cullum
Modified: 2022-05-11 20:18 UTC (History)
11 users (show)

Fixed In Version:
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Doc Text:
A flaw was found in gdk-pixbuf. The vulnerability occurs due to the index overwriting in the lzw_decoder_new function, leading to a heap buffer overflow. This flaw allows an attacker to input a specially crafted GIF file, leading to a crash or code execution.
Clone Of:
Environment:
Last Closed:


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Description Todd Cullum 2022-01-21 20:25:11 UTC
GNOME gdk-pixbuf 2.42.6 is vulnerable to a heap-buffer overflow vulnerability
when decoding the lzw compressed stream of image data in GIF files with lzw
minimum code size equals to 12.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-44648
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44648
http://www.cvedetails.com/cve/CVE-2021-44648/
https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/136
https://sahildhar.github.io/blogpost/GdkPixbuf-Heap-Buffer-Overflow-in-lzw_decoder_new/

Comment 3 Sandipan Roy 2022-01-27 05:16:41 UTC
Created gdk-pixbuf2 tracking bugs for this issue:

Affects: fedora-all [bug 2046622]

Comment 4 Sandipan Roy 2022-02-02 07:36:05 UTC
Created mingw-gdk-pixbuf tracking bugs for this issue:

Affects: fedora-all [bug 2049411]


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