LibTIFF up to 4.0.6 tiff2rgba cvt_by_strip/cvt_by_tile TIFF Image out-of-bounds write

CVSS Meta Temp Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in LibTIFF up to 4.0.6. The affected element is the function cvt_by_strip/cvt_by_tile of the component tiff2rgba. The manipulation as part of TIFF Image results in out-of-bounds write. This vulnerability is reported as CVE-2016-3945. The attack requires a local approach. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in LibTIFF up to 4.0.6 (Image Processing Software). Affected is the function cvt_by_strip/cvt_by_tile of the component tiff2rgba. The manipulation as part of a TIFF Image leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Multiple integer overflows in the (1) cvt_by_strip and (2) cvt_by_tile functions in the tiff2rgba tool in LibTIFF 4.0.6 and earlier, when -b mode is enabled, allow remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted TIFF image, which triggers an out-of-bounds write.

The weakness was disclosed 09/21/2016 by Security Team with Qihoo 360 (Website). The advisory is shared for download at bugzilla.maptools.org. This vulnerability is traded as CVE-2016-3945 since 04/01/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 92696 (RHEL 7 : libtiff (RHSA-2016:1546)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236058 (Red Hat Update for libtiff (RHSA-2016:1547)).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (92696) and SecurityFocus (BID 85960†). The entries VDB-68478, VDB-80138, VDB-80155 and VDB-91811 are pretty similar. Once again VulDB remains the best source for vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 92696
Nessus Name: RHEL 7 : libtiff (RHSA-2016:1546)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867252
OpenVAS Name: RedHat Update for libtiff RHSA-2016:1546-01
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/01/2016 🔍
04/08/2016 +7 days 🔍
08/02/2016 +116 days 🔍
08/03/2016 +1 days 🔍
09/21/2016 +49 days 🔍
09/21/2016 +0 days 🔍
09/22/2016 +1 days 🔍
09/19/2022 +2188 days 🔍

Sourcesinfo

Product: libtiff.org

Advisory: RHSA-2016:1546
Researcher: Security Team
Organization: Qihoo 360
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-3945 (🔍)
GCVE (CVE): GCVE-0-2016-3945
GCVE (VulDB): GCVE-100-91812

OVAL: 🔍

SecurityFocus: 85960 - LibTIFF CVE-2016-3945 Arbitrary Command Execution Vulnerability

See also: 🔍

Entryinfo

Created: 09/22/2016 09:21
Updated: 09/19/2022 13:43
Changes: 09/22/2016 09:21 (65), 04/22/2019 17:15 (16), 09/19/2022 13:43 (3)
Complete: 🔍
Cache ID: 216:930:103

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