erlang otp up to 25.3.2.16/26.2.5.6/27.1.3 certificate validation

Summaryinfo

A vulnerability classified as critical has been found in erlang otp up to 25.3.2.16/26.2.5.6/27.1.3. The impacted element is an unknown function. This manipulation causes certificate validation. This vulnerability is handled as CVE-2024-53846. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in erlang otp up to 25.3.2.16/26.2.5.6/27.1.3 and classified as critical. Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a certificate validation vulnerability. The CWE definition for the vulnerability is CWE-295. The product does not validate, or incorrectly validates, a certificate. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

OTP is a set of Erlang libraries, which consists of the Erlang runtime system, a number of ready-to-use components mainly written in Erlang, and a set of design principles for Erlang programs. A regression was introduced into the ssl application of OTP starting at OTP-25.3.2.8, OTP-26.2, and OTP-27.0, resulting in a server or client verifying the peer when incorrect extended key usage is presented (i.e., a server will verify a client if they have server auth ext key usage and vice versa).

The advisory is shared at github.com. This vulnerability is known as CVE-2024-53846 since 11/22/2024. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation needs additional levels of successful authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1587.003 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 237193 (Erlang/OTP 25.3.2.8 < 25.3.2.16 / 26.2 < 26.2.5.6 / 27.0 < 27.1.3 Improper Certificate Validation (CVE-2024-53846)), which helps to determine the existence of the flaw in a target environment.

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 Tenable (237193). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• erlang

Name

• otp

Version

• 25.3.2.0
• 25.3.2.1
• 25.3.2.2
• 25.3.2.3
• 25.3.2.4
• 25.3.2.5
• 25.3.2.6
• 25.3.2.7
• 25.3.2.8
• 25.3.2.9
• 25.3.2.10
• 25.3.2.11
• 25.3.2.12
• 25.3.2.13
• 25.3.2.14
• 25.3.2.15
• 25.3.2.16
• 26.2.5.0
• 26.2.5.1
• 26.2.5.2
• 26.2.5.3
• 26.2.5.4
• 26.2.5.5
• 26.2.5.6
• 27.1.0
• 27.1.1
• 27.1.2
• 27.1.3

Website

• Product: https://github.com/erlang/otp/

CPE 2.3info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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