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Secunia Security Advisory 48469

Secunia Security Advisory 48469
Posted Mar 21, 2012
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Two vulnerabilities have been reported in libzip, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise an application using the library.

tags | advisory, denial of service, vulnerability
SHA-256 | fa93963bd3801d178df75f01148f344a663058ff4399033f39d0aa76a973c6f0

Secunia Security Advisory 48469

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TITLE:
libzip Directory Entries and Central Directory Parsing
Vulnerabilities

SECUNIA ADVISORY ID:
SA48469

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/48469/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=48469

RELEASE DATE:
2012-03-21

DISCUSS ADVISORY:
http://secunia.com/advisories/48469/#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/48469/

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=48469

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:
Two vulnerabilities have been reported in libzip, which can be
exploited by malicious people to cause a DoS (Denial of Service) and
potentially compromise an application using the library.

1) An error in the "_zip_readcdir()" function (zip_open.c) when
processing the number of directory entries can be exploited to cause
a heap-based buffer overflow via a specially crafted ZIP file.

2) An integer overflow error in the "_zip_readcdir()" function
(zip_open.c) when handling the size and the offset of the central
directory structure can be exploited to reference memory outside of
the allocated buffer via a specially crafted ZIP file.

Successful exploitation of the vulnerabilities may allow execution of
arbitrary code.

The vulnerabilities are reported in versions prior to 0.10.1.

SOLUTION:
Update to version 0.10.1.

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

ORIGINAL ADVISORY:
http://www.nih.at/listarchive/libzip-discuss/msg00252.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/

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

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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