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TITLE:
Cisco IOS SSH2 Sessions Denial of Service Security Issue

SECUNIA ADVISORY ID:
SA45761

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/45761/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=45761

RELEASE DATE:
2011-08-23

DISCUSS ADVISORY:
http://secunia.com/advisories/45761/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/45761/

ONLY AVAILABLE IN CUSTOMER AREA:
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https://ca.secunia.com/?page=viewadvisory&vuln_id=45761

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
A security issue has been reported in Cisco IOS, which can be
exploited by malicious people to cause a DoS (Denial of Service).

The security issue is caused due to an unspecified error related to a
custom login banner and SSH2 sessions. This can be exploited to reload
the device by establishing two SSH2 sessions.

Successful exploitation requires that a customized login banner is
configured by using the banner login message global configuration
command.

The security issue is reported in version 12.2(58)SE.

SOLUTION:
Update to version 12.2(58)SE1.

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
Cisco (CSCto62631):
http://tools.cisco.com/Support/BugToolKit/search/getBugDetails.do?method=fetchBugDetails&bugId=CSCto62631
http://www.cisco.com/en/US/docs/switches/lan/cisco_ie3000/software/release/12.2_58_se/release/notes/OL24335.html

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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About:
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