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TITLE:
Network UPS Tools "addchar()" Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA49348

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/49348/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=49348

RELEASE DATE:
2012-05-31

DISCUSS ADVISORY:
http://secunia.com/advisories/49348/#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/49348/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=49348

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 vulnerability has been reported in Network UPS Tools, which can be
exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to an input validation error in the
"addchar()" function in common/parseconf.c when parsing non-printable
characters and can be exploited to cause a buffer overflow.

The vulnerability is reported in versions prior to 2.6.4.

SOLUTION:
Fixed in the SVN repository. Reportedly, the vulnerability will be
fixed in the upcoming 2.6.4 release.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Sebastian Pohle.

ORIGINAL ADVISORY:
Network UPS Tools:
http://trac.networkupstools.org/projects/nut/changeset/3633

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

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

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