libpng 1.2.21 ICC Profile Chunk pngset.c numeric error

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

A vulnerability was found in libpng 1.2.21 (Image Processing Software). It has been rated as critical. This issue affects an unknown code block of the file pngset.c of the component ICC Profile Chunk Handler. The manipulation with an unknown input leads to a numeric error vulnerability. Using CWE to declare the problem leads to CWE-189. Impacted is availability. The summary by CVE is:

Off-by-one error in ICC profile chunk handling in the png_set_iCCP function in pngset.c in libpng before 1.2.22 beta1 allows remote attackers to cause a denial of service (crash) via a crafted PNG image, due to an incorrect fix for CVE-2007-5266.

The weakness was published 10/08/2007 by bnanson (Website). The advisory is shared at libpng.org. The identification of this vulnerability is CVE-2007-5267 since 10/08/2007. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 58784 (Fedora 17 : tremulous-1.2.0-0.5.beta1.fc17 (2012-5371)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 116448 (Sun Solaris libpng Multiple Vulnerabilities (1020521.1)).

Upgrading to version 1.2.22 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at libpng.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 5 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (37017) and Tenable (58784). Similar entries are available at 3858, 4974, 39128 and 39127.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 58784
Nessus Name: Fedora 17 : tremulous-1.2.0-0.5.beta1.fc17 (2012-5371)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 59024
OpenVAS Name: Slackware Advisory SSA:2007-325-01 libpng
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: libpng 1.2.22
Patch: libpng.org

Timelineinfo

10/08/2007 🔍
10/08/2007 +0 days 🔍
10/08/2007 +0 days 🔍
10/08/2007 +0 days 🔍
10/08/2007 +0 days 🔍
10/08/2007 +0 days 🔍
10/13/2007 +4 days 🔍
10/14/2007 +1 days 🔍
10/18/2007 +4 days 🔍
09/04/2008 +322 days 🔍
08/18/2017 +3270 days 🔍

Sourcesinfo

Advisory: libpng.org
Researcher: bnanson
Status: Not defined
Confirmation: 🔍

CVE: CVE-2007-5267 (🔍)
X-Force: 37017
Vulnerability Center: 16508 - Libpng ICC Profile Chunk Handling Off-by-One Error Remote DoS Incorrect Fix, Medium
SecurityFocus: 25957 - Libpng Library ICC Profile Chunk Off-By-One Denial of Service Vulnerability
Secunia: 27130 - libpng ICC Profile Chunk Denial of Service Vulnerability, Less Critical
OSVDB: 38272 - libpng pngset.c png_set_iCCP Function PNG Handling Off-by-one DoS
Vupen: ADV-2007-3391

See also: 🔍

Entryinfo

Created: 10/18/2007 09:48
Updated: 08/18/2017 13:47
Changes: 10/18/2007 09:48 (92), 08/18/2017 13:47 (2)
Complete: 🔍

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