VDB-101465 · CVE-2017-9051 · BID 98548

libav up to 12.0 libavformat/nsvdec.c nsv_read_chunk null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability was found in libav up to 12.0. It has been rated as problematic. Affected by this issue is the function nsv_read_chunk of the file libavformat/nsvdec.c. The manipulation leads to null pointer dereference. This vulnerability is referenced as CVE-2017-9051. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in libav up to 12.0 (Multimedia Player Software). It has been rated as problematic. This issue affects the function nsv_read_chunk of the file libavformat/nsvdec.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:

libav before 12.1 is vulnerable to an invalid read of size 1 due to NULL pointer dereferencing in the nsv_read_chunk function in libavformat/nsvdec.c.

The bug was discovered 05/18/2017. The weakness was published 05/18/2017 (Website). The advisory is shared at securityfocus.com. The identification of this vulnerability is CVE-2017-9051 since 05/18/2017. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

Upgrading to version 12.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 98548†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Null pointer dereference
CWE: CWE-476 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: libav 12.1
Patch: github.com

Timelineinfo

05/18/2017 🔍
05/18/2017 +0 days 🔍
05/18/2017 +0 days 🔍
05/18/2017 +0 days 🔍
05/18/2017 +0 days 🔍
05/18/2017 +0 days 🔍
12/06/2022 +2028 days 🔍

Sourcesinfo

Product: github.com

Advisory: fe6eea99efac66839052af547426518efd970b24⛔
Researcher: Marcel Boehme
Status: Not defined

CVE: CVE-2017-9051 (🔍)
GCVE (CVE): GCVE-0-2017-9051
GCVE (VulDB): GCVE-100-101465
SecurityFocus: 98548 - Libav 'libavformat/nsvdec.c' NULL Pointer Dereference Denial of Service Vulnerability
OSVDB: - CVE-2017-9051 - Libav - Libav - High

Entryinfo

Created: 05/18/2017 16:40
Updated: 12/06/2022 15:10
Changes: 05/18/2017 16:40 (60), 09/30/2020 09:48 (4), 12/25/2020 06:46 (2), 12/06/2022 15:10 (4)
Complete: 🔍
Cache ID: 216:91C:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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