libtiff up to 3.8.0 tif_jpeg.c 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.
5.7$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in libtiff up to 3.8.0. Affected by this issue is some unknown functionality of the file tif_jpeg.c. This manipulation causes memory corruption. The identification of this vulnerability is CVE-2006-2026. Furthermore, there is an exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in libtiff up to 3.8.0 (Image Processing Software). Affected by this vulnerability is some unknown functionality of the file tif_jpeg.c. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Double free vulnerability in tif_jpeg.c in libtiff before 3.8.1 allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted TIFF image that triggers errors related to "setfield/getfield methods in cleanup functions."

The bug was discovered 04/25/2006. The weakness was shared 04/25/2006 by Tavis Ormandy as Bug 189933 as not defined bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is known as CVE-2006-2026 since 04/25/2006. The exploitation appears to be easy. The attack can be launched remotely. A single authentication is required for exploitation. Technical details and also a public exploit are known.

It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 21900 (CentOS 3 / 4 : libtiff (CESA-2006:0425)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 156195 (Oracle Enterprise Linux Update for kdegraphics (ELSA-2006:0648)).

Upgrading to version 3.8.1 eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (26135), Exploit-DB (27765), Tenable (21900), SecurityFocus (BID 17733†) and OSVDB (25020†). The entries VDB-29898 and VDB-29897 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 21900
Nessus Name: CentOS 3 / 4 : libtiff (CESA-2006:0425)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 56718
OpenVAS Name: Debian Security Advisory DSA 1054-1 (tiff)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: libtiff 3.8.1
McAfee IPS: 🔍
McAfee IPS Version: 🔍

Timelineinfo

04/25/2006 🔍
04/25/2006 +0 days 🔍
04/25/2006 +0 days 🔍
04/25/2006 +0 days 🔍
04/25/2006 +0 days 🔍
04/28/2006 +3 days 🔍
05/09/2006 +11 days 🔍
05/16/2006 +7 days 🔍
07/03/2006 +48 days 🔍
03/12/2015 +3174 days 🔍
01/20/2025 +3602 days 🔍

Sourcesinfo

Product: libtiff.org

Advisory: Bug 189933
Researcher: Tavis Ormandy
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-2026 (🔍)
GCVE (CVE): GCVE-0-2006-2026
GCVE (VulDB): GCVE-100-29899

OVAL: 🔍

X-Force: 26135
SecurityFocus: 17733 - LibTiff Double Free Memory Corruption Vulnerability
Secunia: 19838
OSVDB: 25020 - CVE-2006-2026 - LibTIFF - Double Free Issue
Vulnerability Center: 11439 - libtiff Before 3.8.1 Remote DoS via a Crafted TIFF Image Exploiting a Double Free Vulnerability, Medium
Vupen: ADV-2006-1563

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/12/2015 12:19
Updated: 01/20/2025 11:39
Changes: 03/12/2015 12:19 (82), 06/18/2019 08:01 (9), 01/20/2025 11:39 (19)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!