libsndfile up to 1.0.27 FLAC File flac.c flac_buffer_copy memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in libsndfile up to 1.0.27 and classified as critical. The affected element is the function flac_buffer_copy of the file flac.c of the component FLAC File Handler. Executing a manipulation can lead to memory corruption. The identification of this vulnerability is CVE-2017-7742. The attack can only be executed locally. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in libsndfile up to 1.0.27 (Audio Processing Software). It has been declared as critical. This vulnerability affects the function flac_buffer_copy of the file flac.c of the component FLAC File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In libsndfile before 1.0.28, an error in the "flac_buffer_copy()" function (flac.c) can be exploited to cause a segmentation violation (with read memory access) via a specially crafted FLAC file during a resample attempt, a similar issue to CVE-2017-7585.

The bug was discovered 04/12/2017. The weakness was shared 04/12/2017 (Website). The advisory is available at blogs.gentoo.org. This vulnerability was named CVE-2017-7742 since 04/12/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 99554 (FreeBSD : libsndfile -- multiple vulnerabilities (5a97805e-93ef-4dcb-8d5e-dbcac263bfc2)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 169973 (SUSE Enterprise Linux Security Update for libsndfile (SUSE-SU-2017:1236-1)).

Upgrading to version 1.0.28 eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (99554) and SecurityFocus (BID 97522†). The entries VDB-99446, VDB-99447, VDB-99753 and VDB-100762 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: Memory corruption
CWE: CWE-119
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: 99554
Nessus Name: FreeBSD : libsndfile -- multiple vulnerabilities (5a97805e-93ef-4dcb-8d5e-dbcac263bfc2)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 841810
OpenVAS Name: Ubuntu Update for libsndfile USN-3306-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: libsndfile 1.0.28
Patch: github.com

Timelineinfo

04/07/2017 🔍
04/12/2017 +5 days 🔍
04/12/2017 +0 days 🔍
04/12/2017 +0 days 🔍
04/12/2017 +0 days 🔍
04/13/2017 +1 days 🔍
04/20/2017 +7 days 🔍
04/21/2017 +1 days 🔍
11/29/2022 +2048 days 🔍

Sourcesinfo

Advisory: 60b234301adf258786d8b90be5c1d437fc8799e0
Status: Confirmed

CVE: CVE-2017-7742 (🔍)
GCVE (CVE): GCVE-0-2017-7742
GCVE (VulDB): GCVE-100-99754
SecurityFocus: 97522 - libsndfile 'src/common.c' Stack Buffer Overflow Vulnerability
OSVDB: - CVE-2017-7742 - libsndfile - Invalid Memory Read Issue

See also: 🔍

Entryinfo

Created: 04/13/2017 12:11
Updated: 11/29/2022 08:43
Changes: 04/13/2017 12:11 (83), 11/29/2022 08:43 (5)
Complete: 🔍
Cache ID: 216:8E4:103

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

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