Vulnerability in Torproject Tor
CVE-2023-23589
The SafeSocks option in Tor before 0.4.7.13 has a logic error in which the unsafe SOCKS4 protocol can be used but not the safe SOCKS4a protocol, aka TROVE-2022-002.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.008 (55.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Torproject Tor
- Debian Linux — versions 10.0, 11.0
- Fedoraproject Fedora — versions 36, 37
Weakness classification (CWE)
References
- gitlab.torproject.org/tpo/core/tor/-/raw/release-0.4.7/ReleaseNotes (Release Notes, Vendor Advisory)
- gitlab.torproject.org/tpo/core/tor/-/issues/40730 (Exploit, Patch, Issue Tracking, Vendor Advisory)
- gitlab.torproject.org/tpo/core/tor/-/commit/a282145b3634547ab84ccd959d0537c021f… (Patch, Vendor Advisory)
- www.debian.org/security/2023/dsa-5320 (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.debian.org/debian-lts-announce/2023/01/msg00026.html (mailing-list, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/202305-11 (vendor-advisory)
Frequently asked questions
- What is CVE-2023-23589?
- CVE-2023-23589 is a medium-severity vulnerability in Torproject Tor, classified under Protection Mechanism Failure. CVSS score: 6.5/10. Published 2023-01-14.
- How severe is CVE-2023-23589?
- Medium severity. CVSS v3 base score is 6.5 out of 10.