libav 12.1 libavcodec libavcodec/bitstream.c build_table resource management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in libav 12.1. Impacted is the function build_table of the file libavcodec/bitstream.c of the component libavcodec. Executing a manipulation can lead to resource management. This vulnerability is registered as CVE-2017-11684. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in libav 12.1 (Multimedia Player Software). It has been declared as problematic. This vulnerability affects the function build_table of the file libavcodec/bitstream.c of the component libavcodec. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. CVE summarizes:

There is an illegal address access in the build_table function in libavcodec/bitstream.c of Libav 12.1 that will lead to remote denial of service via crafted input.

The bug was discovered 07/26/2017. The weakness was published 07/27/2017 (Website). The advisory is shared for download at bugzilla.libav.org. This vulnerability was named CVE-2017-11684 since 07/26/2017. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 254347 (Linux Distros Unpatched Vulnerability : CVE-2017-11684), which helps to determine the existence of the flaw in a target environment.

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 databases at Tenable (254347) and SecurityFocus (BID 99980†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.5
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: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 254347
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2017-11684

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/26/2017 🔍
07/26/2017 +0 days 🔍
07/27/2017 +1 days 🔍
07/27/2017 +0 days 🔍
07/27/2017 +0 days 🔍
07/27/2017 +0 days 🔍
08/25/2025 +2951 days 🔍

Sourcesinfo

Advisory: bugzilla.libav.org
Researcher: OWL337.
Status: Not defined

CVE: CVE-2017-11684 (🔍)
GCVE (CVE): GCVE-0-2017-11684
GCVE (VulDB): GCVE-100-104560
SecurityFocus: 99980 - Libav CVE-2017-11684 Denail of Service Vulnerability

Entryinfo

Created: 07/27/2017 19:04
Updated: 08/25/2025 20:02
Changes: 07/27/2017 19:04 (60), 11/01/2019 17:11 (3), 01/06/2021 14:48 (3), 08/25/2025 20:02 (16)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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