libav 12.3 mpegaudiodsp_template.c ff_mpa_synth_filter_float null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in libav 12.3. This issue affects the function ff_mpa_synth_filter_float of the file libavcodec/mpegaudiodsp_template.c. This manipulation causes null pointer dereference. This vulnerability is registered as CVE-2018-19129. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability has been found in libav 12.3 (Multimedia Player Software) and classified as problematic. Affected by this vulnerability is the function ff_mpa_synth_filter_float of the file libavcodec/mpegaudiodsp_template.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. The summary by CVE is:

In Libav 12.3, a NULL pointer dereference (RIP points to zero) issue in ff_mpa_synth_filter_float in libavcodec/mpegaudiodsp_template.c can cause a segmentation fault (application crash) via a crafted mov file.

The bug was discovered 11/08/2018. The weakness was published 11/09/2018 (Website). The advisory is shared at bugzilla.libav.org. This vulnerability is known as CVE-2018-19129 since 11/09/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, 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.

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

Similar entry is available at VDB-126626. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/08/2018 🔍
11/09/2018 +1 days 🔍
11/09/2018 +0 days 🔍
11/09/2018 +0 days 🔍
11/10/2018 +1 days 🔍
04/11/2020 +518 days 🔍

Sourcesinfo

Advisory: bugzilla.libav.org
Status: Not defined

CVE: CVE-2018-19129 (🔍)
GCVE (CVE): GCVE-0-2018-19129
GCVE (VulDB): GCVE-100-126625
See also: 🔍

Entryinfo

Created: 11/10/2018 08:09
Updated: 04/11/2020 12:21
Changes: 11/10/2018 08:09 (58), 04/11/2020 12:21 (1)
Complete: 🔍
Cache ID: 216::103

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

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