libungif/giflib 4.1/4.1.3 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability, which was classified as critical, was found in libungif and giflib 4.1/4.1.3. Affected is an unknown functionality. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

libungif library before 4.1.0 allows attackers to corrupt memory and possibly execute arbitrary code via a crafted GIF file that leads to an out-of-bounds write.

The weakness was disclosed 11/04/2005 by Chris Evans with isen (Website). The advisory is shared for download at This vulnerability is traded as CVE-2005-3350 since 10/27/2005. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 21869 (CentOS 3 / 4 : libungif (CESA-2005:828)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 155938 (Oracle Enterprise Linux Update for giflib (ELSA-2009-0444)).

Upgrading to version 4.1.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (22980) and Tenable (21869). The entry VDB-26831 is pretty similar.




CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
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Class: Memory corruption
CWE: CWE-119

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

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Nessus ID: 21869
Nessus Name: CentOS 3 / 4 : libungif (CESA-2005:828)
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OpenVAS ID: 55845
OpenVAS Name: Debian Security Advisory DSA 890-1 (libungif4)
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Threat Intelligenceinfo

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Recommended: Upgrade
Status: 🔍
Upgrade: libungif/giflib 4.1.0


10/27/2005 🔍
11/03/2005 +7 days 🔍
11/03/2005 +0 days 🔍
11/03/2005 +0 days 🔍
11/04/2005 +1 days 🔍
11/04/2005 +0 days 🔍
11/04/2005 +0 days 🔍
11/08/2005 +3 days 🔍
03/11/2015 +3410 days 🔍
07/06/2021 +2309 days 🔍


Researcher: Chris Evans
Organization: isen
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2005-3350 (🔍)

X-Force: 22980
SecurityTracker: 1015149 - libungif NULL Pointer Dereference and Memory Access Error May Let Remote Users Execute Arbitrary Code
Vulnerability Center: 9563 - Libungif DoS via NULL Pointer in GIF Files, Medium
SecurityFocus: 15299 - Libungif Colormap Handling Memory Corruption Vulnerability
Secunia: 17436 - libungif GIF File Handling Two Vulnerabilities, Moderately Critical
OSVDB: 20471 - libungif/giflib Crafted .gif File Arbitrary Code Execution
Vupen: ADV-2005-2295

See also: 🔍


Created: 03/11/2015 11:39 PM
Updated: 07/06/2021 02:18 PM
Changes: 03/11/2015 11:39 PM (65), 09/16/2017 10:22 AM (19), 07/06/2021 02:18 PM (3)
Complete: 🔍
Cache ID: 34:D15:40


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