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Secunia Security Advisory 49116

Secunia Security Advisory 49116
Posted May 12, 2012
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A vulnerability has been reported in OpenSSL, which can be exploited by malicious people to cause a DoS (Denial of Service) of the application using the library.

tags | advisory, denial of service
SHA-256 | e35898a18b7ce00d4c782c320c6a6f07ce7af0807f27b37b33ab01bf5c26bb4b

Secunia Security Advisory 49116

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TITLE:
OpenSSL TLS Packet Parsing Integer Underflow Denial of Service
Vulnerability

SECUNIA ADVISORY ID:
SA49116

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/49116/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=49116

RELEASE DATE:
2012-05-11

DISCUSS ADVISORY:
http://secunia.com/advisories/49116/#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/49116/

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=49116

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 OpenSSL, which can be exploited
by malicious people to cause a DoS (Denial of Service) of the
application using the library.

The vulnerability is caused due to an integer underflow error within
the parsing of TLS record length of Datagram Transport Layer Security
(DTLS) packets using CBC encryption mode, which can be exploited to
cause a crash.

The vulnerability is reported in versions prior to 1.0.1c, 1.0.0j,
and 0.9.8x.

SOLUTION:
Update to version 1.0.1c, 1.0.0j, or 0.9.8x.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Codenomicon.

ORIGINAL ADVISORY:
http://www.openssl.org/news/secadv_20120510.txt

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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