VDB-131992 · CVE-2019-3832 · Bug 456

libsndfile wav.c wav_write_header out-of-bounds

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4.0	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in libsndfile. This vulnerability affects the function wav_write_header of the file wav.c. Executing a manipulation can lead to out-of-bounds. This vulnerability is tracked as CVE-2019-3832. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability was found in libsndfile (Audio Processing Software) (version unknown). It has been declared as problematic. This vulnerability affects the function wav_write_header of the file wav.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability. CVE summarizes:

It was discovered the fix for CVE-2018-19758 (libsndfile) was not complete and still allows a read beyond the limits of a buffer in wav_write_header() function in wav.c. A local attacker may use this flaw to make the application crash.

The bug was discovered 04/10/2019. The weakness was disclosed 03/21/2019 as confirmed bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability was named CVE-2019-3832 since 01/03/2019. The attack needs to be approached locally. The successful exploitation requires a single authentication. There are known technical details, but no exploit is available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 176653 (Debian Security Update for libsndfile (DLA 1712-1)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 105996†). The entries VDB-100762, VDB-100763, VDB-100764 and VDB-100766 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Audio Processing Software

Name

libsndfile

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 4.0

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

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 3.3
CNA Vector (Red Hat, Inc.): 🔍

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: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

11/22/2018 🔍
01/03/2019 +42 days 🔍
03/21/2019 +77 days 🔍
03/22/2019 +1 days 🔍
04/10/2019 +19 days 🔍
08/03/2023 +1576 days 🔍

Sourcesinfo

Advisory: 456
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-3832 (🔍)
GCVE (CVE): GCVE-0-2019-3832
GCVE (VulDB): GCVE-100-131992
SecurityFocus: 105996 - Libsndfile 'sndfile.c' Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 03/22/2019 08:25
Updated: 08/03/2023 22:48
Changes: 03/22/2019 08:25 (45), 05/18/2020 12:25 (4), 08/03/2023 22:39 (3), 08/03/2023 22:48 (29)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.