5.9med

CVE-2016-2390

The FwdState::connectedToPeer method in FwdState.cc in Squid before 3.5.14 and 4.0.x before 4.0.6 does not properly handle SSL handshake er…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
5.9
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
25.6%
percentile 98%
Public exploits
0
none known

Summary

The FwdState::connectedToPeer method in FwdState.cc in Squid before 3.5.14 and 4.0.x before 4.0.6 does not properly handle SSL handshake errors when built with the --with-openssl option, which allows remote attackers to cause a denial of service (application crash) via a plaintext HTTP message.

Exploit prediction (EPSS)

25.55% probability of exploitation in the next 30 days, higher than 98% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.9CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.04.3AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation

References

  • squid-cache.org /Advisories/SQUID-2016_1.txt · x_refsource_CONFIRM, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00010.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • securitytracker.com /id/1035045 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • lists.squid-cache.org /pipermail/squid-announce/2016-February/000038.html · mailing-list, x_refsource_MLIST, x_transferred
  • lists.squid-cache.org /pipermail/squid-announce/2016-February/000037.html · mailing-list, x_refsource_MLIST, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00040.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • bugs.squid-cache.org /show_bug.cgi?id=4437 · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.