libsndfile 1.0.28 ulaw.c i2ulaw_array memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.00

A vulnerability, which was classified as critical, was found in libsndfile 1.0.28 (Audio Processing Software). This affects the function i2ulaw_array of the file ulaw.c. 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. The summary by CVE is:

An issue was discovered in libsndfile 1.0.28. There is a buffer over-read in the function i2ulaw_array in ulaw.c that will lead to a denial of service.

The bug was discovered 11/27/2018. The weakness was disclosed 11/29/2018 (Website). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2018-19661 since 11/29/2018. 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 2 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 119878 (Debian DLA-1618-1 : libsndfile security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176789 (Debian Security Update for libsndfile (DLA 1618-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (119878). The entries 100762, 100763, 100764 and 100766 are pretty similar.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 119878
Nessus Name: Debian DLA-1618-1 : libsndfile security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

11/22/2018 🔍
11/27/2018 +5 days 🔍
11/29/2018 +2 days 🔍
11/29/2018 +0 days 🔍
11/29/2018 +0 days 🔍
11/30/2018 +1 days 🔍
12/26/2018 +26 days 🔍
12/27/2018 +1 days 🔍
06/12/2023 +1628 days 🔍

Sourcesinfo

Advisory: 429
Status: Confirmed

CVE: CVE-2018-19661 (🔍)
SecurityFocus: 105996 - Libsndfile 'sndfile.c' Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 11/30/2018 08:12
Updated: 06/12/2023 09:44
Changes: 11/30/2018 08:12 (74), 04/16/2020 08:24 (5), 06/12/2023 09:43 (4), 06/12/2023 09:44 (1)
Complete: 🔍

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