libav 9.21 libavcodec ff_h2645_extract_rbsp h264 Video File memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability was found in libav 9.21. It has been classified as critical. Affected by this issue is the function ff_h2645_extract_rbsp of the component libavcodec. This manipulation as part of h264 Video File causes memory corruption. This vulnerability is handled as CVE-2017-7206. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in libav 9.21 (Multimedia Player Software). It has been declared as critical. Affected by this vulnerability is the function ff_h2645_extract_rbsp of the component libavcodec. The manipulation as part of a h264 Video File leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality. The summary by CVE is:

The ff_h2645_extract_rbsp function in libavcodec in libav 9.21 allows remote attackers to cause a denial of service (heap-based buffer over-read) or obtain sensitive information from process memory via a crafted h264 video file.

The bug was discovered 03/21/2017. The weakness was released 03/21/2017 as Bug 1002 as not defined bug report (Bugzilla). The advisory is shared at bugzilla.libav.org. This vulnerability is known as CVE-2017-7206 since 03/21/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 97006†). Entry connected to this vulnerability is available at VDB-98343. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.2

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

NVD Base Score: 7.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/21/2017 🔍
03/21/2017 +0 days 🔍
03/21/2017 +0 days 🔍
03/21/2017 +0 days 🔍
03/21/2017 +0 days 🔍
03/21/2017 +0 days 🔍
09/10/2020 +1269 days 🔍

Sourcesinfo

Advisory: Bug 1002
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-7206 (🔍)
GCVE (CVE): GCVE-0-2017-7206
GCVE (VulDB): GCVE-100-98341
SecurityFocus: 97006 - libavcodec CVE-2017-7206 Denial of Service Vulnerability
OSVDB: - CVE-2017-7206 - Libav - Buffer Over-Read Issue

See also: 🔍

Entryinfo

Created: 03/21/2017 17:13
Updated: 09/10/2020 16:59
Changes: 03/21/2017 17:13 (63), 09/10/2020 16:59 (5)
Complete: 🔍
Cache ID: 216:78F:103

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

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