5.3

CVE-2024-45192: matrix olm Covert Timing Channel

CVSS: 5.3v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2024-45192DEBIAN-CVE-2024-45192
Published 22-08-2024Last modified 10-09-2024
Open JSON

Vulnerability summary

CVE-2024-45192 is a medium (CVSS 5.3) Covert Timing Channel vulnerability in matrix olm. EPSS estimates a 0.54% chance of exploitation in the next 30 days, higher than 44% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.54%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 0 · Related 1
GHSA-P2Q9-36VW-C468

Timeline

  1. 22-08-2024
    PublishedVulnerability first disclosed.
  2. 10-09-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in Matrix libolm through 3.2.16. Cache-timing attacks can occur due to use of base64 when decoding group session keys. This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.54%

Chance of exploitation in the next 30 days

Percentile

44%

Versus all other CVEs

30-day change

0.00 pp

From 0.54% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.54%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (soatok.blog)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • olmAll versions (No fix recorded)
Matrix1 product
Ubuntu1 product
  • olmAll versions (No fix recorded)

3 vendors · 3 products

References

7 links