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TITLE:
SystemTap Denial of Service and Privilege Escalation Vulnerabilities

SECUNIA ADVISORY ID:
SA42256

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/42256/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=42256

RELEASE DATE:
2010-11-18

DISCUSS ADVISORY:
http://secunia.com/advisories/42256/#comments

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

http://secunia.com/advisories/42256/

ONLY AVAILABLE IN CUSTOMER AREA:
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https://ca.secunia.com/?page=viewadvisory&vuln_id=42256

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 SystemTap, which can be
exploited by malicious, local users to gain escalated privileges and
cause a DoS (Denial of Service).

1) An improper environment sanitation in the "/usr/bin/staprun"
setuid program when loading kernel modules can be exploited to
escalate privileges.

2) An error in the "/usr/bin/staprun" setuid program when unloading
kernel modules can be exploited to unload arbitrary unused modules
and potentially cause a DoS.

The vulnerabilities are reported in version 1.3. Other versions may
also be affected.

SOLUTION:
Fixed in the GIT repository.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Tavis Ormandy.

ORIGINAL ADVISORY:
http://sources.redhat.com/ml/systemtap/2010-q4/msg00230.html

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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About:
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