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.
References (10)
Core 10
Core References
Various Sources mailing-list
x_refsource_mlist
https://lists.andrew.cmu.edu/pipermail/cyrus-devel/2015-October/003534.html
Vendor Advisory x_refsource_confirm
https://docs.cyrus.foundation/imap/release-notes/2.5/x/2.5.7.html
Mailing List mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2015/11/04/3
Mailing List mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2015/09/30/3
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2015-11/msg00156.html
Patch x_refsource_confirm
https://cyrus.foundation/cyrus-imapd/commit/?id=745e161c834f1eb6d62fc14477f51dae799e1e08
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00000.html
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1034282
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00066.html
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2015-12/msg00015.html
Scores
EPSS
0.0343
EPSS Percentile
87.6%
Details
CWE
CWE-189
Status
published
Products (43)
cyrus/imap
2.3.0
cyrus/imap
2.3.1
cyrus/imap
2.3.2
cyrus/imap
2.3.3
cyrus/imap
2.3.4
cyrus/imap
2.3.5
cyrus/imap
2.3.6
cyrus/imap
2.3.7
cyrus/imap
2.3.8
cyrus/imap
2.3.9
... and 33 more
Published
Dec 03, 2015
Tracked Since
Feb 18, 2026