FFmpeg 2.0 libavcodec/snow.h add_yblock 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.
4.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in FFmpeg 2.0 and classified as problematic. The impacted element is the function add_yblock of the file libavcodec/snow.h. Performing a manipulation results in memory corruption. This vulnerability was named CVE-2014-125009. There is no available exploit. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability classified as problematic has been found in FFmpeg 2.0 (Multimedia Processing Software). This affects the function add_yblock of the file libavcodec/snow.h. 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 availability.

The issue has been introduced in 07/11/2013. The weakness was presented 02/16/2014 by Mateusz Jurczyk and Gynvael Coldwind (j00ru) with Google Security Team as avcodec/snow: split block clipping checks as confirmed git commit (GIT Repository). The advisory is shared at git.videolan.org. This vulnerability is uniquely identified as CVE-2014-125009. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 220 days. During that time the estimated underground price was around $0-$5k.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.videolan.org.

The vulnerability is also documented in the databases at X-Force (91258), SecurityFocus (BID 65671†) and Secunia (SA57066†). See VDB-12389, VDB-12390, VDB-12391 and VDB-12392 for similar entries. 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: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.videolan.org

Timelineinfo

07/11/2013 🔍
02/16/2014 +220 days 🔍
02/18/2014 +2 days 🔍
02/19/2014 +1 days 🔍
02/24/2014 +5 days 🔍
06/17/2022 +3035 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: avcodec/snow: split block clipping checks
Researcher: Mateusz Jurczyk, Gynvael Coldwind (j00ru)
Organization: Google Security Team
Status: Confirmed

CVE: CVE-2014-125009 (🔍)
GCVE (CVE): GCVE-0-2014-125009
GCVE (VulDB): GCVE-100-12393
X-Force: 91258 - FFmpeg add_yblock() denial of service, Medium Risk
SecurityFocus: 65671 - FFmpeg Multiple Security Vulnerabilities
Secunia: 57066 - FFmpeg Multiple Vulnerabilities, Less Critical

See also: 🔍

Entryinfo

Created: 02/24/2014 08:18
Updated: 06/17/2022 23:28
Changes: 02/24/2014 08:18 (56), 04/17/2019 07:50 (4), 06/17/2022 23:28 (3)
Complete: 🔍
Committer: olku
Cache ID: 216:F55:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸