Description

Integer overflow in the index_urlfetch function in imap/index.c in Cyrus IMAP 2.3.19, 2.4.18, and 2.5.6 allows remote attackers to have unspecified impact via vectors related to urlfetch range checks and the start_octet variable. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-8076.

Weaknesses 1

Affected Products 43

References 10

• lists.opensuse.org http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00066.html
• lists.opensuse.org http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00000.html
• lists.opensuse.org http://lists.opensuse.org/opensuse-updates/2015-11/msg00156.html
• lists.opensuse.org http://lists.opensuse.org/opensuse-updates/2015-12/msg00015.html
• openwall.com http://www.openwall.com/lists/oss-security/2015/09/30/3
• openwall.com http://www.openwall.com/lists/oss-security/2015/11/04/3
• securitytracker.com http://www.securitytracker.com/id/1034282
• cyrus.foundation https://cyrus.foundation/cyrus-imapd/commit/?id=745e161c834f1eb6d62fc14477f51dae799e1e08
• docs.cyrus.foundation https://docs.cyrus.foundation/imap/release-notes/2.5/x/2.5.7.html
  Vendor Advisory
• lists.andrew.cmu.edu https://lists.andrew.cmu.edu/pipermail/cyrus-devel/2015-October/003534.html

Remediation