FFmpeg prior 0.8.3 lag_decode_zero_run_line Remote Code Execution

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.
9.4$0-$5k0.00

Summaryinfo

A vulnerability was found in FFmpeg. It has been classified as very critical. Impacted is the function lag_decode_zero_run_line. This manipulation causes Remote Code Execution. This vulnerability is handled as CVE-2012-2793. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in FFmpeg (Multimedia Processing Software) and classified as very critical. Affected by this vulnerability is the function lag_decode_zero_run_line. The manipulation with an unknown input leads to a remote code execution vulnerability. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Unspecified vulnerability in the lag_decode_zero_run_line function in libavcodec/lagarith.c in FFmpeg before 0.11, and Libav 0.7.x before 0.7.7 and 0.8.x before 0.8.4, has unknown impact and attack vectors related to "too many zeros."

The weakness was released 09/10/2012 (Website). The advisory is shared at openwall.com. This vulnerability is known as CVE-2012-2793 since 05/19/2012. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. The price for an exploit might be around USD at the moment (estimation calculated on 12/13/2021).

The vulnerability scanner Nessus provides a plugin with the ID 69412 (FreeBSD : gstreamer-ffmpeg -- Multiple vulnerabilities in bundled libav (4d087b35-0990-11e3-a9f4-bcaec565249c)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks.

Upgrading to version 0.8.3 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (78498), Tenable (69412), SecurityFocus (BID 55355†), Secunia (SA50468†) and Vulnerability Center (SBV-37422†). Entries connected to this vulnerability are available at VDB-5510, VDB-7165, VDB-9123 and VDB-9124. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Remote Code Execution
CWE: Unknown
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: 69412
Nessus Name: FreeBSD : gstreamer-ffmpeg -- Multiple vulnerabilities in bundled libav (4d087b35-0990-11e3-a9f4-bcaec565249c)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 841213
OpenVAS Name: Ubuntu Update for libav USN-1630-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: FFmpeg 0.8.3
Patch: 83c7803f55b3231faeb93c1a634399a70fae9480

Timelineinfo

05/19/2012 🔍
06/07/2012 +19 days 🔍
08/30/2012 +84 days 🔍
09/03/2012 +4 days 🔍
09/10/2012 +7 days 🔍
09/10/2012 +0 days 🔍
11/27/2012 +78 days 🔍
03/24/2015 +847 days 🔍
12/13/2021 +2456 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: openwall.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-2793 (🔍)
GCVE (CVE): GCVE-0-2012-2793
GCVE (VulDB): GCVE-100-62221

OVAL: 🔍

X-Force: 78498
SecurityFocus: 55355 - FFmpeg Multiple Unspecified Vulnerabilities
Secunia: 50468 - FFmpeg Multiple Vulnerabilities, Moderately Critical
Vulnerability Center: 37422 - FFmpeg <=0.11 Unspecified Vulnerability Related to Too Many Zeros - CVE-2012-2793, Medium

See also: 🔍

Entryinfo

Created: 03/24/2015 12:22
Updated: 12/13/2021 15:42
Changes: 03/24/2015 12:22 (63), 04/21/2017 22:18 (8), 12/13/2021 15:36 (4), 12/13/2021 15:42 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!