FFmpeg 1.0/1.0.1 libavcodec/ass_split.c null pointer dereference
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.1 | $0-$5k | 0.00 |
A vulnerability was found in FFmpeg 1.0/1.0.1 (Multimedia Processing Software). It has been classified as problematic. This affects some unknown processing of the file libavcodec/ass_split.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. The summary by CVE is:
The ff_ass_split_override_codes function in libavcodec/ass_split.c in FFmpeg before 1.0.2 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a subtitle dialog without text.
The issue has been introduced in 09/28/2012. The weakness was presented 01/21/2013 (Website). It is possible to read the advisory at osvdb.org. This vulnerability is uniquely identified as CVE-2012-6615 since 12/24/2013. It is possible to initiate the attack remotely. No form of authentication is needed for 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 115 days. During that time the estimated underground price was around $0-$5k.
Upgrading to version 1.0.2 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.videolan.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: FFmpeg 1.0.2
Patch: git.videolan.org
Timeline
09/28/2012 🔍01/21/2013 🔍
01/21/2013 🔍
01/21/2013 🔍
01/28/2013 🔍
02/01/2013 🔍
12/24/2013 🔍
12/24/2013 🔍
08/18/2017 🔍
Sources
Product: ffmpeg.orgAdvisory: osvdb.org⛔
Status: Not defined
Confirmation: 🔍
CVE: CVE-2012-6615 (🔍)
SecurityFocus: 57565 - FFmpeg Multiple Denial of Service Vulnerabilities
Secunia: 51964 - FFmpeg Multiple Vulnerabilities, Less Critical
OSVDB: 89592
Entry
Created: 02/01/2013 10:21Updated: 08/18/2017 13:51
Changes: 02/01/2013 10:21 (58), 08/18/2017 13:51 (6)
Complete: 🔍
Committer:
Cache ID: 3:F03:103
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