cve/2023/CVE-2023-46724.md

CVE-2023-46724

Description

Squid is a caching proxy for the Web. Due to an Improper Validation of Specified Index bug, Squid versions 3.3.0.1 through 5.9 and 6.0 prior to 6.4 compiled using --with-openssl are vulnerable to a Denial of Service attack against SSL Certificate validation. This problem allows a remote server to perform Denial of Service against Squid Proxy by initiating a TLS Handshake with a specially crafted SSL Certificate in a server certificate chain. This attack is limited to HTTPS and SSL-Bump. This bug is fixed in Squid version 6.4. In addition, patches addressing this problem for the stable releases can be found in Squid's patch archives. Those who you use a prepackaged version of Squid should refer to the package vendor for availability information on updated packages.

POC

Reference

No PoCs from references.

Github

• https://github.com/MegaManSec/Squid-Security-Audit
• https://github.com/chnzzh/OpenSSL-CVE-lib
• https://github.com/fkie-cad/nvd-json-data-feeds