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prionPRIOn knowledge basePRION:CVE-2023-46724
HistoryNov 01, 2023 - 8:15 p.m.

Input validation

2023-11-0120:15:00
PRIOn knowledge base
www.prio-n.com
10
squid
web caching
proxy
ssl certificate
denial of service
tls handshake
vulnerability
patch
security advisory

0.006 Low

EPSS

Percentile

78.7%

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.

CPENameOperatorVersion
squidge3.3.0.1
squidlt6.4