libav 12.2 libavcodec/mpegpicture.c ff_free_picture_tables memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.4 | $0-$5k | 0.00 |
A vulnerability was found in libav 12.2 (Multimedia Player Software). It has been classified as critical. Affected is the function ff_free_picture_tables
of the file libavcodec/mpegpicture.c. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
The ff_free_picture_tables function in libavcodec/mpegpicture.c in Libav 12.2 allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted file, related to vc1_decode_i_blocks_adv.
The bug was discovered 11/17/2017. The weakness was shared 12/04/2017 (Website). The advisory is shared for download at bugzilla.libav.org. This vulnerability is traded as CVE-2017-17130 since 12/04/2017. 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 was handled as a non-public zero-day exploit for at least 17 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 120988 (Debian DLA-1630-1 : 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 176709 (Debian Security Update for libav (DLA 1630-1)).
Upgrading eliminates this vulnerability. A possible mitigation has been published 2 years after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (120988). The entries 102891, 102892, 106023 and 106024 are related to this item.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
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CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.4
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
NVD Vector: 🔍
CVSSv2
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Exploiting
Class: Memory corruptionCWE: CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
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EPSS Percentile: 🔍
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Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Nessus ID: 120988
Nessus Name: Debian DLA-1630-1 : libav security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
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Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
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Timeline
06/28/2017 🔍11/17/2017 🔍
12/04/2017 🔍
12/04/2017 🔍
12/04/2017 🔍
12/04/2017 🔍
01/07/2019 🔍
01/08/2019 🔍
01/17/2023 🔍
Sources
Advisory: DLA 1630-1Status: Confirmed
CVE: CVE-2017-17130 (🔍)
SecurityFocus: 99317 - FFmpeg CVE-2017-9994 Heap Buffer Overflow Vulnerability
See also: 🔍
Entry
Created: 12/04/2017 15:07Updated: 01/17/2023 07:19
Changes: 12/04/2017 15:07 (67), 12/12/2019 08:26 (12), 01/17/2023 07:19 (4)
Complete: 🔍
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