exempi up to 2.5.0 Audio File getFrameValue buffer overflow

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in exempi up to 2.5.0. It has been declared as critical. The impacted element is the function ID3_Support::ID3v2Frame::getFrameValue of the component Audio File Handler. The manipulation results in buffer overflow. This vulnerability is cataloged as CVE-2020-18651. The attack may be launched remotely. There is no exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in exempi up to 2.5.0. Affected is the function ID3_Support::ID3v2Frame::getFrameValue of the component Audio File Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on availability. CVE summarizes:

Buffer Overflow vulnerability in function ID3_Support::ID3v2Frame::getFrameValue in exempi 2.5.0 and earlier allows remote attackers to cause a denial of service via opening of crafted audio file with ID3V2 frame.

The weakness was shared 08/23/2023 as 13. The advisory is shared for download at gitlab.freedesktop.org. This vulnerability is traded as CVE-2020-18651 since 08/13/2020. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 252334 (Linux Distros Unpatched Vulnerability : CVE-2020-18651), which helps to determine the existence of the flaw in a target environment.

Applying the patch fdd4765a699f9700850098b43b9798b933acb32f is able to eliminate this problem. The bugfix is ready for download at gitlab.freedesktop.org.

The vulnerability is also documented in the databases at Tenable (252334) and CERT Bund (WID-SEC-2024-1213). Once again VulDB remains the best source for vulnerability data.

Affected

  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Fedora Linux
  • Oracle Linux

Productinfo

Name

Version

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: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 252334
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2020-18651

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: fdd4765a699f9700850098b43b9798b933acb32f

Timelineinfo

08/13/2020 🔍
08/23/2023 +1105 days 🔍
08/23/2023 +0 days 🔍
09/06/2025 +745 days 🔍

Sourcesinfo

Advisory: 13
Status: Confirmed

CVE: CVE-2020-18651 (🔍)
GCVE (CVE): GCVE-0-2020-18651
GCVE (VulDB): GCVE-100-237684
CERT Bund: WID-SEC-2024-1213 - Red Hat Enterprise Linux: Mehrere Schwachstellen

Entryinfo

Created: 08/23/2023 07:27
Updated: 09/06/2025 16:42
Changes: 08/23/2023 07:27 (42), 09/14/2023 13:31 (11), 08/20/2025 09:06 (17), 09/06/2025 16:42 (7)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to stay up to date on a daily basis?

Enable the mail alert feature now!