libav up to 11.3 resample.c ff_audio_resample memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in libav up to 11.3. Affected by this issue is the function ff_audio_resample of the file resample.c. Executing a manipulation can lead to memory corruption. This vulnerability appears as CVE-2016-6832. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in libav up to 11.3 (Multimedia Player Software) and classified as critical. This vulnerability affects the function ff_audio_resample of the file resample.c. The manipulation with an unknown input 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, integrity, and availability. CVE summarizes:

Heap-based buffer overflow in the ff_audio_resample function in resample.c in libav before 11.4 allows remote attackers to cause a denial of service (crash) via vectors related to buffer resizing.

The bug was discovered 08/07/2016. The weakness was presented 02/15/2017 (oss-sec). The advisory is shared for download at openwall.com. This vulnerability was named CVE-2016-6832 since 08/17/2016. 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 192 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 11.4 eliminates this vulnerability.

See VDB-96992 and VDB-96991 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

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
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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: No
Local: No
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: libav 11.4

Timelineinfo

08/07/2016 🔍
08/17/2016 +10 days 🔍
02/15/2017 +182 days 🔍
02/15/2017 +0 days 🔍
02/16/2017 +1 days 🔍
08/15/2020 +1276 days 🔍

Sourcesinfo

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

CVE: CVE-2016-6832 (🔍)
GCVE (CVE): GCVE-0-2016-6832
GCVE (VulDB): GCVE-100-96988
OSVDB: - CVE-2016-6832 - libav - Buffer Overflow Issue

See also: 🔍

Entryinfo

Created: 02/16/2017 08:56
Updated: 08/15/2020 06:46
Changes: 02/16/2017 08:56 (48), 08/15/2020 06:46 (6)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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