FLAC libFLAC 1.2 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.5$0-$5k0.00

A vulnerability, which was classified as very critical, was found in FLAC libFLAC 1.2. Affected is some unknown functionality. 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:

Multiple buffer overflows in Free Lossless Audio Codec (FLAC) libFLAC before 1.2.1 allow user-assisted remote attackers to execute arbitrary code via large (1) Metadata Block Size, (2) VORBIS Comment String Size, (3) Picture Metadata MIME-TYPE Size, (4) Picture Description Size, (5) Picture Data Length, (6) Padding Length, and (7) PICTURE Metadata width and height values in a .FLAC file, which result in a heap-based overflow; and large (8) VORBIS Comment String Size Length, (9) Picture MIME-Type, (10) Picture MIME-Type URL, and (11) Picture Description Length values in a .FLAC file, which result in a stack-based overflow. NOTE: some of these issues may overlap CVE-2007-4619.

The bug was discovered 11/15/2007. The weakness was disclosed 12/07/2007 as confirmed advisory (CERT.org). The advisory is shared for download at kb.cert.org. This vulnerability is traded as CVE-2007-6277 since 12/07/2007. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/29/2021).

The vulnerability scanner Nessus provides a plugin with the ID 27539 (CentOS 4 / 5 : flac (CESA-2007:0975)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 156030 (Oracle Enterprise Linux Update for FLAC (ELSA-2007-0975)).

Upgrading to version 1.2 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (39516) and Tenable (27539). The entries 3388, 39974 and 39973 are pretty similar.

Productinfo

Vendor

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 27539
Nessus Name: CentOS 4 / 5 : flac (CESA-2007:0975)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 60214
OpenVAS Name: Debian Security Advisory DSA 1469-1 (flac)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: libFLAC 1.2
ISS Proventia IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

10/11/2007 🔍
10/25/2007 +14 days 🔍
10/26/2007 +1 days 🔍
11/15/2007 +20 days 🔍
11/16/2007 +1 days 🔍
12/07/2007 +21 days 🔍
12/07/2007 +0 days 🔍
12/07/2007 +0 days 🔍
12/07/2007 +0 days 🔍
02/04/2008 +59 days 🔍
03/16/2015 +2597 days 🔍
07/29/2021 +2327 days 🔍

Sourcesinfo

Advisory: kb.cert.org
Status: Confirmed

CVE: CVE-2007-6277 (🔍)
OVAL: 🔍

X-Force: 39516
SecurityTracker: 1018974
Vulnerability Center: 17528 - Free Lossless Audio Codec (FLAC) LibFLAC Multiple Vulnerabilities Allow Remote Code Execution, Medium
SecurityFocus: 26042
Secunia: 28548
OSVDB: 44954 - CVE-2007-6277 - FLAC - LibFLAC - Multiple Buffer Overflow Issues

See also: 🔍

Entryinfo

Created: 03/16/2015 13:43
Updated: 07/29/2021 21:51
Changes: 03/16/2015 13:43 (71), 08/04/2019 16:18 (11), 07/29/2021 21:51 (3)
Complete: 🔍

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