CyberSecBulletin
CVE-2024-41265NVD status: Deferred

cortex: Missing Validation of OpenSSL Certificate

CVE-2024-41265 is a high-severity missing validation of openssl certificate vulnerability in cortex from Linux Foundation, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected cortex versions: 0.42.1 and earlier. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.26% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Check which version of cortex you run against the affected versions below, and install the vendor's latest release.
  2. Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.

Affected products and versions

VendorProductAffected versionsFixed in
Linux Foundationcortex0.42.1 and earlierNot stated

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
NoneNo account or login is needed.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
NoneNothing can be modified.
Availability
NoneAvailability is not affected.

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. Scored by CISA (ADP).

Official description

A TLS certificate verification issue discovered in cortex v0.42.1 allows attackers to obtain sensitive information via the makeOperatorRequest function.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Missing Validation of OpenSSL Certificate

The product uses OpenSSL and trusts or uses a certificate without using the SSL_get_verify_result() function to ensure that the certificate satisfies all necessary security requirements.

How developers prevent this class of flaw

  • Ensure that proper authentication is included in the system design.
  • Understand and properly implement all checks necessary to ensure the identity of entities involved in encrypted communications.

More Missing Validation of OpenSSL Certificate vulnerabilities (CWE-599)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: partial).
  3. Record last changed materially (score, affected products, status or references).

References

Recent Missing Validation of OpenSSL Certificate vulnerabilities

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