Greg Roelofs libpng up to 1.2.11 pngrutil.c png_decompress_chunk memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.6	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Greg Roelofs libpng up to 1.2.11. This affects the function png_decompress_chunk of the file pngrutil.c. The manipulation results in memory corruption. This vulnerability is identified as CVE-2006-3334. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Greg Roelofs libpng up to 1.2.11 (Image Processing Software). Affected is the function png_decompress_chunk of the file pngrutil.c. 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:

Buffer overflow in the png_decompress_chunk function in pngrutil.c in libpng before 1.2.12 allows context-dependent attackers to cause a denial of service and possibly execute arbitrary code via unspecified vectors related to "chunk error processing," possibly involving the "chunk_name".

The bug was discovered 06/28/2006. The weakness was released 06/30/2006 (Website). The advisory is shared for download at vupen.com. This vulnerability is traded as CVE-2006-3334 since 06/30/2006. 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 known technical details, but no exploit is available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 22080 (GLSA-200607-06 : libpng: Buffer overflow), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l.

Upgrading to version 1.2.12 eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (27468), Tenable (22080), SecurityFocus (BID 18698†), OSVDB (28160†) and Secunia (SA22956†). Entries connected to this vulnerability are available at VDB-33788, VDB-38776, VDB-41231 and VDB-40169. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Image Processing Software

Vendor

• Greg Roelofs

Name

• libpng

Version

• 1.2.0
• 1.2.1
• 1.2.2
• 1.2.3
• 1.2.4
• 1.2.5
• 1.2.6
• 1.2.7
• 1.2.7rc1
• 1.2.8
• 1.2.9
• 1.2.10
• 1.2.11

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 22080
Nessus Name: GLSA-200607-06 : libpng: Buffer overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 57843
OpenVAS Name: Gentoo Security Advisory GLSA 200607-06 (libpng)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: libpng 1.2.12

Timelineinfo

06/28/2006 🔍
06/28/2006 +0 days 🔍
06/30/2006 +2 days 🔍
06/30/2006 +0 days 🔍
06/30/2006 +0 days 🔍
06/30/2006 +0 days 🔍
07/19/2006 +19 days 🔍
07/20/2006 +1 days 🔍
07/25/2006 +5 days 🔍
11/17/2006 +115 days 🔍
03/12/2015 +3037 days 🔍
06/23/2019 +1564 days 🔍

Sourcesinfo

Advisory: vupen.com⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2006-3334 (🔍)
GCVE (CVE): GCVE-0-2006-3334
GCVE (VulDB): GCVE-100-31116
X-Force: 27468
SecurityFocus: 18698 - Libpng Graphics Library Chunk Error Processing Buffer Overflow Vulnerability
Secunia: 22956 - Mandriva update for libpng, Less Critical
OSVDB: 28160 - CVE-2006-3334 - LibPNG - Buffer Overflow Issue
Vulnerability Center: 12372 - libpng Buffer Overflow Vulnerability in Chunk Handling, High
Vupen: ADV-2006-2585

See also: 🔍

Entryinfo

Created: 03/12/2015 14:25
Updated: 06/23/2019 16:31
Changes: 03/12/2015 14:25 (83), 06/23/2019 16:31 (4)
Complete: 🔍
Cache ID: 216:B98:103

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Discussion

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