libav 12.1 mpegvideo_motion.c hpel_motion memory corruption

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic has been found in libav 12.1. This affects the function hpel_motion of the file mpegvideo_motion.c. Performing a manipulation results in memory corruption. This vulnerability is known as CVE-2017-9987. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in libav 12.1 (Multimedia Player Software). It has been classified as problematic. This affects the function hpel_motion of the file mpegvideo_motion.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 availability. The summary by CVE is:

There is a heap-based buffer overflow in the function hpel_motion in mpegvideo_motion.c in libav 12.1. A crafted input can lead to a remote denial of service attack.

The bug was discovered 06/23/2017. The weakness was published 06/28/2017 (Website). The advisory is shared at bugzilla.libav.org. This vulnerability is uniquely identified as CVE-2017-9987 since 06/27/2017. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 5 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.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Multimedia Player Software

Name

libav

Version

12.1

License

open-source

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/23/2017 🔍
06/27/2017 +4 days 🔍
06/28/2017 +1 days 🔍
06/28/2017 +0 days 🔍
06/28/2017 +0 days 🔍
12/09/2022 +1990 days 🔍

Sourcesinfo

Advisory: DLA 1907-1
Status: Not defined

CVE: CVE-2017-9987 (🔍)
GCVE (CVE): GCVE-0-2017-9987
GCVE (VulDB): GCVE-100-102885

Entryinfo

Created: 06/28/2017 16:39
Updated: 12/09/2022 11:45
Changes: 06/28/2017 16:39 (52), 10/21/2019 07:41 (7), 12/09/2022 11:45 (3)
Complete: 🔍
Cache ID: 216::103