CVE-2023-23589

Name: CVE-2023-23589
Creator: NVD / NIST
Published: 2023-01-14T01:15:15.627+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.83%

Last modified Jun 17, 2026

CVE-2023-23589 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.83% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

EPSS Probability

0.83%

52.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-693

Affected Software

Vendor	Product	Versions
Torproject	Tor	< 0.4.7.13
Debian	Debian Linux	10.0
Debian	Debian Linux	11.0
Fedoraproject	Fedora	36
Fedoraproject	Fedora	37

References

https://gitlab.torproject.org/tpo/core/tor/-/commit/a282145b3634547ab84ccd959d0537c021ff7ffcPatch, Vendor Advisory
https://gitlab.torproject.org/tpo/core/tor/-/issues/40730Exploit, Issue Tracking, Patch, Vendor Advisory
https://gitlab.torproject.org/tpo/core/tor/-/raw/release-0.4.7/ReleaseNotesRelease Notes, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2023/01/msg00026.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IYOLTP6HQO2HPXUYKOR7P5YYYN7CINQQ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZMY4FWXYKP3MDXTZ3EJ7XJVGBCKBK2XL/
https://security.gentoo.org/glsa/202305-11
https://www.debian.org/security/2023/dsa-5320Third Party Advisory
https://gitlab.torproject.org/tpo/core/tor/-/commit/a282145b3634547ab84ccd959d0537c021ff7ffcPatch, Vendor Advisory
https://gitlab.torproject.org/tpo/core/tor/-/issues/40730Exploit, Issue Tracking, Patch, Vendor Advisory
https://gitlab.torproject.org/tpo/core/tor/-/raw/release-0.4.7/ReleaseNotesRelease Notes, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2023/01/msg00026.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IYOLTP6HQO2HPXUYKOR7P5YYYN7CINQQ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZMY4FWXYKP3MDXTZ3EJ7XJVGBCKBK2XL/
https://security.gentoo.org/glsa/202305-11
https://www.debian.org/security/2023/dsa-5320Third Party Advisory

Timeline

Published: Jan 14, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is 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.

How severe is CVE-2023-23589?

CVE-2023-23589 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.83% probability of exploitation in the next 30 days.

How do I fix CVE-2023-23589?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-23589?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST