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Secunia Security Advisory 17062

Secunia Security Advisory 17062
Posted Oct 5, 2005
Authored by Secunia | Site secunia.com

Secunia Security Advisory - infamous41md has reported a vulnerability in UW-imapd, which can be exploited by malicious users to cause a DoS (Denial of Service) or compromise a vulnerable system.

tags | advisory, denial of service
SHA-256 | c24e162154bffbc186126cc98c585ad8386547f758304ab4e189e94ae3064a57

Secunia Security Advisory 17062

Change Mirror Download


TITLE:
UW-imapd Mailbox Name Parsing Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA17062

VERIFY ADVISORY:
http://secunia.com/advisories/17062/

CRITICAL:
Moderately critical

IMPACT:
DoS, System access

WHERE:
>From remote

SOFTWARE:
UW-imapd
http://secunia.com/product/1578/

DESCRIPTION:
infamous41md has reported a vulnerability in UW-imapd, which can be
exploited by malicious users to cause a DoS (Denial of Service) or
compromise a vulnerable system.

The vulnerability is caused due to a boundary error in the
"mail_valid_net_parse_work()" function when copying the user supplied
mailbox name to a stack buffer. This can be exploited to cause a
stack-based buffer overflow via a specially crafted mailbox name that
contains an single opening double-quote character, without the
corresponding closing double-quote.

Successful exploitation allows arbitrary code execution, but requires
valid credentials on the IMAP server.

The vulnerability has been reported in version imap-2004c1. Prior
versions may also be affected.

SOLUTION:
Update to version imap-2004g.
ftp://ftp.cac.washington.edu/imap/

PROVIDED AND/OR DISCOVERED BY:
infamous41md

ORIGINAL ADVISORY:
iDEFENSE:
www.idefense.com/application/poi/display?id=313&type=vulnerabilities

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

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