Vulnerability CVE-2015-8077
Published: 2015-12-03

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.

Type:

CWE-189

 (Numeric Errors)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Opensuse -> LEAP 
Opensuse -> Opensuse 
Novell -> LEAP 
Novell -> Opensuse 
Cyrus -> IMAP 

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