libebml2 up to 2012-08-26 MKV File ebmlstring.c ReadData use after free

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 categorized as problematic has been discovered in libebml2 up to 2012-08-26. This impacts the function ReadData of the file ebmlstring.c of the component MKV File Handler. Such manipulation leads to use after free. This vulnerability is referenced as CVE-2017-12780. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in libebml2 up to 2012-08-26. It has been rated as problematic. Affected by this issue is the function ReadData of the file ebmlstring.c of the component MKV File Handler. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is availability. CVE summarizes:

The ReadData function in ebmlstring.c in libebml2 through 2012-08-26 allows remote attackers to cause a denial of service (invalid free and application crash) via a crafted mkv file.

The bug was discovered 11/07/2017. The weakness was published 11/10/2017 as not defined mailinglist post (Full-Disclosure). The advisory is available at seclists.org. This vulnerability is handled as CVE-2017-12780 since 08/10/2017. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 2 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 entries are available at VDB-109249, VDB-109251, VDB-109252 and VDB-109253. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
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

08/10/2017 🔍
11/07/2017 +89 days 🔍
11/09/2017 +2 days 🔍
11/10/2017 +1 days 🔍
11/10/2017 +0 days 🔍
01/10/2023 +1887 days 🔍

Sourcesinfo

Advisory: 144902
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-12780 (🔍)
GCVE (CVE): GCVE-0-2017-12780
GCVE (VulDB): GCVE-100-109250
See also: 🔍

Entryinfo

Created: 11/10/2017 12:27
Updated: 01/10/2023 08:03
Changes: 11/10/2017 12:27 (60), 12/05/2019 11:44 (1), 01/10/2023 08:03 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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