FLAC 1.3.2 FLAC File stream_decoder.c) read_metadata_vorbiscomment_ resource management

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in FLAC 1.3.2. This impacts the function read_metadata_vorbiscomment_ in the library src/libFLAC/stream_decoder.c) of the component FLAC File Handler. Performing a manipulation results in resource management. This vulnerability was named CVE-2017-6888. The attack needs to be approached locally. There is no available exploit. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in FLAC 1.3.2. This affects the function read_metadata_vorbiscomment_ in the library src/libFLAC/stream_decoder.c) of the component FLAC File Handler. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. The summary by CVE is:

An error in the "read_metadata_vorbiscomment_()" function (src/libFLAC/stream_decoder.c) in FLAC version 1.3.2 can be exploited to cause a memory leak via a specially crafted FLAC file.

The bug was discovered 05/15/2017. The weakness was presented 04/25/2018 as confirmed git commit (GIT Repository). The advisory is shared at git.xiph.org. This vulnerability is uniquely identified as CVE-2017-6888 since 03/14/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. 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 345 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 109821 (Fedora 27 : flac (2018-46f48df07d)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 172323 (OpenSUSE Security Update for flac (openSUSE-SU-2019:1225-1)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.xiph.org. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (109821). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / 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: 109821
Nessus Name: Fedora 27 : flac (2018-46f48df07d)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 880189
OpenVAS Name: Fedora Update for flac FEDORA-2018-6a378e32c3
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: 4f47b63e9c971e6391590caf00a0f2a5ed612e67

Timelineinfo

03/14/2017 🔍
05/15/2017 +62 days 🔍
04/25/2018 +344 days 🔍
04/25/2018 +0 days 🔍
04/26/2018 +1 days 🔍
05/15/2018 +19 days 🔍
05/16/2018 +1 days 🔍
03/07/2023 +1756 days 🔍

Sourcesinfo

Advisory: FEDORA-2018-46f48df07d
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-6888 (🔍)
GCVE (CVE): GCVE-0-2017-6888
GCVE (VulDB): GCVE-100-117093

Entryinfo

Created: 04/26/2018 08:52
Updated: 03/07/2023 15:40
Changes: 04/26/2018 08:52 (75), 01/31/2020 15:30 (3), 03/07/2023 15:35 (5), 03/07/2023 15:40 (1)
Complete: 🔍
Cache ID: 216::103

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