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>> Sun Solaris "aio_suspend()" Local Integer Overflow DoS Vulnerability

Title : Sun Solaris "aio_suspend()" Local Integer Overflow DoS Vulnerability
VUPEN ID : VUPEN/ADV-2009-0099
CVE ID : CVE-2009-0132
CWE ID : VUPEN VNS Only
CVSS V2 : VUPEN VNS Only
Rated as : Low Risk 
Remotely Exploitable : No
Locally Exploitable : Yes
Release Date : 2009-01-13


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format 

A vulnerability has been identified in Sun Solaris, which could be exploited by local attackers to cause a denial of service. This issue is caused by an integer overflow error in the "aio_suspend()" when processing specially crafted SYS_kaio syscall requests, which could be exploited by a malicious user to panic systems running in 32 bit mode, creating a denial of service condition.

Affected Products

Sun Solaris 10
Sun Solaris 9
Sun Solaris 8
Sun OpenSolaris

Solution

Sun Solaris 8 (SPARC) - Apply patch 117350-59 or later
Sun Solaris 9 (SPARC) - Apply patch 138577-01 or later
Sun Solaris 10 (SPARC) - Apply patch 121394-02 or later
Sun OpenSolaris - Upgrade to build snv_107 or later

Sun Solaris 8 (x86) - Apply patch 117351-59 or later
Sun Solaris 9 (x86) - Apply patch 138578-01 or later
Sun Solaris 10 (x86) - Apply patch 121395-02 or later
Sun OpenSolaris (x86) - Upgrade to build snv_107 or later

References

http://www.vupen.com/english/advisories/2009/0099
http://sunsolve.sun.com/search/document.do?assetkey=1-66-247986-1
http://trapkit.de/advisories/TKADV2009-001.txt

Credits

Vulnerability reported by Tobias Klein.

ChangeLog

2009-01-13 : Initial release

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