FFMpeg up to 2.3.2 encode_slice 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.
7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in FFMpeg. It has been rated as critical. This vulnerability affects the function encode_slice. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2014-5271. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in FFMpeg (Multimedia Processing Software) and classified as critical. This issue affects the function encode_slice. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Heap-based buffer overflow in the encode_slice function in libavcodec/proresenc_kostya.c in FFMpeg before 1.1.14, 1.2.x before 1.2.8, 2.x before 2.2.7, and 2.3.x before 2.3.3 and Libav before 10.5 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via unspecified vectors.

The issue has been introduced in 01/06/2013. The weakness was shared 11/03/2014 (Website). It is possible to read the advisory at ffmpeg.org. The identification of this vulnerability is CVE-2014-5271 since 08/15/2014. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 666 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 82449 (Mandriva Linux Security Advisory : ffmpeg (MDVSA-2015:173)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks and running in the context l.

Upgrading to version 1.1.11 eliminates this vulnerability. Applying the patch 52b81ff4635c077b2bc8b8d3637d933b6629d803 is able to eliminate this problem. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 6 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (82449), SecurityFocus (BID 69250†) and OSVDB (111725†). The entries VDB-12589, VDB-68320, VDB-68533 and VDB-72780 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: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 82449
Nessus Name: Mandriva Linux Security Advisory : ffmpeg (MDVSA-2015:173)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 865888
OpenVAS Name: Gentoo Linux Local Check: https://security.gentoo.org/glsa/201603-06
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: FFMpeg 1.1.11
Patch: 52b81ff4635c077b2bc8b8d3637d933b6629d803

Timelineinfo

01/06/2013 🔍
08/12/2014 +583 days 🔍
08/15/2014 +3 days 🔍
11/03/2014 +80 days 🔍
11/03/2014 +0 days 🔍
03/27/2015 +144 days 🔍
03/30/2015 +3 days 🔍
03/31/2015 +1 days 🔍
04/03/2022 +2560 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: ffmpeg.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2014-5271 (🔍)
GCVE (CVE): GCVE-0-2014-5271
GCVE (VulDB): GCVE-100-72779
SecurityFocus: 69250 - FFmpeg 'libavcodec/proresenc_kostya.c' Buffer Overflow Vulnerability
OSVDB: 111725

See also: 🔍

Entryinfo

Created: 03/27/2015 12:07
Updated: 04/03/2022 11:27
Changes: 03/27/2015 12:07 (70), 04/15/2019 11:28 (1), 04/03/2022 11:27 (4)
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!