PT-2023-28878 · Croc · Croc

Matthias Gerstner · Published 2023-09-19 · Updated 2024-09-25 · CVE-2023-43617

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Croc versions prior to 9.6.16

Description An issue was discovered in Croc where parts of a custom shared secret may be divulged to an untrusted Relay when composing a room name. This occurs when a custom shared secret is used.

Recommendations For Croc versions prior to 9.6.16, update to version 9.6.16 or later to resolve the issue. As a temporary workaround, consider avoiding the use of custom shared secrets until a patch is applied. Restrict access to untrusted Relays to minimize the risk of exploitation.

Exploit

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

CVE-2023-43617

GHSA-HP56-XVF4-G6WR

GO-2023-2072

Affected Products

Croc

References · 16

• 🔥 https://github.com/schollz/croc/issues/596 · Exploit
• 🔥 https://openwall.com/lists/oss-security/2023/09/08/2 · Exploit
• https://osv.dev/vulnerability/CVE-2023-43617 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-hp56-xvf4-g6wr · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-43617 · Security Note
• https://osv.dev/vulnerability/GO-2023-2072 · Vendor Advisory
• https://github.com/schollz/croc · Note
• https://github.com/schollz/croc/commit/0f1ca436cd8e608738da0b23bf594537cfbe6213 · Note
• https://github.com/schollz/croc/pull/699 · Note
• https://github.com/advisories/GHSA-hp56-xvf4-g6wr · Note
• http://openwall.com/lists/oss-security/2023/09/21/5 · Note
• https://twitter.com/CVEnew/status/1704373075016384941 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1704448021822337374 · Twitter Post
• https://t.me/cvenotify/58722 · Telegram Post
• https://t.me/cibsecurity/70788 · Telegram Post