libav up to 11.7 MP3 File x86/rnd_template.c put_no_rnd_pixels8_xy2_mmx null pointer dereference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.4 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as problematic has been found in libav up to 11.7. This impacts the function put_no_rnd_pixels8_xy2_mmx of the file x86/rnd_template.c of the component MP3 File Handler. The manipulation results in null pointer dereference.
This vulnerability was named CVE-2016-7424. The attack needs to be approached locally. There is no available exploit.
The affected component should be upgraded.
Details
A vulnerability was found in libav up to 11.7 (Multimedia Player Software). It has been classified as problematic. Affected is the function put_no_rnd_pixels8_xy2_mmx of the file x86/rnd_template.c of the component MP3 File Handler. 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. CVE summarizes:
The put_no_rnd_pixels8_xy2_mmx function in x86/rnd_template.c in libav 11.7 and earlier allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted MP3 file.
The weakness was presented 10/07/2016 by Agostino Sarubbo with Gentoo (Website). The advisory is shared for download at debian.org. This vulnerability is traded as CVE-2016-7424 since 09/09/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 93848 (Debian DSA-3685-1 : libav - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175854 (Debian Security Update for libav (DSA 3685-1)).
Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at Tenable (93848) and SecurityFocus (BID 93038†). Once again VulDB remains the best source for vulnerability data.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.4
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
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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Nessus ID: 93848
Nessus Name: Debian DSA-3685-1 : libav - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 703685
OpenVAS Name: Debian Security Advisory DSA 3685-1 (libav - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Patch: 136f55207521f0b03194ef5b55ba70f1635d6aee
Timeline
09/09/2016 🔍09/17/2016 🔍
10/04/2016 🔍
10/05/2016 🔍
10/07/2016 🔍
10/07/2016 🔍
10/08/2016 🔍
09/19/2024 🔍
Sources
Advisory: debian.orgResearcher: Agostino Sarubbo
Organization: Gentoo
Status: Not defined
Confirmation: 🔍
CVE: CVE-2016-7424 (🔍)
GCVE (CVE): GCVE-0-2016-7424
GCVE (VulDB): GCVE-100-92508
OVAL: 🔍
SecurityFocus: 93038 - Libav CVE-2016-7424 NULL Pointer Dereference Denial of Service Vulnerability
Entry
Created: 10/08/2016 19:01Updated: 09/19/2024 10:36
Changes: 10/08/2016 19:01 (62), 05/04/2019 22:12 (16), 09/22/2022 17:01 (5), 09/19/2024 10:36 (16)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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