LibTIFF 3.9.4 libtiff/tif_getimage.c TIFFReadRGBAImage TIFF Image numeric error

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in LibTIFF 3.9.4. This vulnerability affects the function TIFFReadRGBAImage of the file libtiff/tif_getimage.c. The manipulation as part of TIFF Image results in numeric error. This vulnerability is reported as CVE-2012-1173. Moreover, an exploit is present. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in LibTIFF 3.9.4 (Image Processing Software). Affected is the function TIFFReadRGBAImage of the file libtiff/tif_getimage.c. The manipulation as part of a TIFF Image leads to a numeric error vulnerability. CWE is classifying the issue as CWE-189. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Multiple integer overflows in tiff_getimage.c in LibTIFF 3.9.4 allow remote attackers to execute arbitrary code via a crafted tile size in a TIFF file, which is not properly handled by the (1) gtTileSeparate or (2) gtStripSeparate function, leading to a heap-based buffer overflow.

The weakness was disclosed 04/05/2012 by Alexander Gavrun (Website) via ZDI (Zero Day Initiative). The advisory is shared for download at home.gdal.org. This vulnerability is traded as CVE-2012-1173 since 02/14/2012. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a private exploit are known.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 328 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 69672 (Amazon Linux AMI : libtiff (ALAS-2012-65)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 166571 (SUSE Enterprise Linux Security update for libtiff (SUSE-SU-2013:1639-1)).

Applying a patch is able to eliminate this problem. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (74656), Tenable (69672), SecurityFocus (BID 52891†), OSVDB (81025†) and Secunia (SA48684†). The entries VDB-5639 and VDB-6343 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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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

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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 69672
Nessus Name: Amazon Linux AMI : libtiff (ALAS-2012-65)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 71251
OpenVAS Name: Debian Security Advisory DSA 2447-1 (tiff)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍

Timelineinfo

05/12/2011 🔍
02/14/2012 +278 days 🔍
04/04/2012 +50 days 🔍
04/04/2012 +0 days 🔍
04/05/2012 +1 days 🔍
04/06/2012 +1 days 🔍
04/11/2012 +5 days 🔍
04/11/2012 +0 days 🔍
04/11/2012 +0 days 🔍
06/04/2012 +53 days 🔍
09/04/2013 +457 days 🔍

Sourcesinfo

Product: libtiff.org

Advisory: home.gdal.org
Researcher: Alexander Gavrun
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-1173 (🔍)
GCVE (CVE): GCVE-0-2012-1173
GCVE (VulDB): GCVE-100-5052

OVAL: 🔍

X-Force: 74656
SecurityFocus: 52891 - libTIFF CVE-2012-1173 Remote Code Execution Vulnerability
Secunia: 48684 - LibTIFF Integer Overflow and Type Casting Vulnerabilities, Highly Critical
OSVDB: 81025
SecurityTracker: 1026895

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

Entryinfo

Created: 04/11/2012 15:29
Changes: 04/11/2012 15:29 (88)
Complete: 🔍
Cache ID: 216:E62:103

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