LibTIFF 4.0.3 tiffmedian Tool tif_next.c NeXTDecode TIFF Image out-of-bounds

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.
6.8$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in LibTIFF 4.0.3. Affected by this vulnerability is the function NeXTDecode of the file tif_next.c of the component tiffmedian Tool. The manipulation as part of TIFF Image results in out-of-bounds. This vulnerability was named CVE-2014-8127. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in LibTIFF 4.0.3 (Image Processing Software). Affected is the function NeXTDecode of the file tif_next.c of the component tiffmedian Tool. The manipulation as part of a TIFF Image leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads 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:

LibTIFF 4.0.3 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a crafted TIFF image to the (1) checkInkNamesString function in tif_dir.c in the thumbnail tool, (2) compresscontig function in tiff2bw.c in the tiff2bw tool, (3) putcontig8bitCIELab function in tif_getimage.c in the tiff2rgba tool, LZWPreDecode function in tif_lzw.c in the (4) tiff2ps or (5) tiffdither tool, (6) NeXTDecode function in tif_next.c in the tiffmedian tool, or (7) TIFFWriteDirectoryTagLongLong8Array function in tif_dirwrite.c in the tiffset tool.

The bug was discovered 01/26/2015. The weakness was presented 06/26/2017 (oss-sec). The advisory is shared for download at openwall.com. This vulnerability is traded as CVE-2014-8127 since 10/10/2014. 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.

The vulnerability was handled as a non-public zero-day exploit for at least 569 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 93011 (Amazon Linux AMI : libtiff (ALAS-2016-733)), 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 157229 (Oracle Enterprise Linux Security Update for libtiff (ELSA-2016-1546)).

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 (93011) and SecurityFocus (BID 72323†). See VDB-102811, VDB-102823, VDB-102824 and VDB-102825 for similar entries. Once again VulDB remains the best source 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: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 93011
Nessus Name: Amazon Linux AMI : libtiff (ALAS-2016-733)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 14611
OpenVAS Name: Amazon Linux Local Check: alas-2016-733
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/10/2014 🔍
01/24/2015 +106 days 🔍
01/26/2015 +2 days 🔍
08/17/2016 +569 days 🔍
08/18/2016 +1 days 🔍
06/26/2017 +312 days 🔍
06/26/2017 +0 days 🔍
06/27/2017 +1 days 🔍
12/09/2022 +1991 days 🔍

Sourcesinfo

Product: libtiff.org

Advisory: RHSA-2016:1546
Researcher: William Robinet, american fuzzy lop
Status: Not defined
Confirmation: 🔍

CVE: CVE-2014-8127 (🔍)
GCVE (CVE): GCVE-0-2014-8127
GCVE (VulDB): GCVE-100-102828

OVAL: 🔍

SecurityFocus: 72323 - LibTIFF CVE-2014-8127 Out of Bounds Read Multiple Remote Denial of Service Vulnerabilities
SecurityTracker: 1032760

See also: 🔍

Entryinfo

Created: 06/27/2017 02:49
Updated: 12/09/2022 09:08
Changes: 06/27/2017 02:49 (76), 10/20/2019 14:58 (6), 12/29/2020 18:07 (3), 12/29/2020 18:10 (1), 12/09/2022 09:08 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!