BugTraq
[ MDVSA-2011:155 ] systemtap Oct 17 2011 06:10PM
security mandriva com
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Mandriva Linux Security Advisory MDVSA-2011:155
http://www.mandriva.com/security/
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Package : systemtap
Date : October 17, 2011
Affected: 2011.
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Problem Description:

Multiple vulnerabilities has been discovered and corrected in
systemtap:

SystemTap 1.4 and earlier, when unprivileged (aka stapusr)
mode is enabled, allows local users to cause a denial of service
(divide-by-zero error and OOPS) via a crafted ELF program with DWARF
expressions that are not properly handled by a stap script that
performs context variable access (CVE-2011-1769).

SystemTap 1.4, when unprivileged (aka stapusr) mode is enabled,
allows local users to cause a denial of service (divide-by-zero error
and OOPS) via a crafted ELF program with DWARF expressions that are
not properly handled by a stap script that performs stack unwinding
(aka backtracing) (CVE-2011-1781).

The updated packages have been patched to correct these issues.
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References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1769
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1781
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Updated Packages:

Mandriva Linux 2011:
67ba5bb61a22be13c4733ec7a55c69d6 2011/i586/systemtap-1.4-1.1-mdv2011.0.i586.rpm
8111bc0afc62a289f80a7c59c230d534 2011/SRPMS/systemtap-1.4-1.1.src.rpm

Mandriva Linux 2011/X86_64:
ed96532b46d31ccd56e8738685ef9e90 2011/x86_64/systemtap-1.4-1.1-mdv2011.0.x86_64.rpm
8111bc0afc62a289f80a7c59c230d534 2011/SRPMS/systemtap-1.4-1.1.src.rpm
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To upgrade automatically use MandrivaUpdate or urpmi. The verification
of md5 checksums and GPG signatures is performed automatically for you.

All packages are signed by Mandriva for security. You can obtain the
GPG public key of the Mandriva Security Team by executing:

gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98

You can view other update advisories for Mandriva Linux at:

http://www.mandriva.com/security/advisories

If you want to report vulnerabilities, please contact

security_(at)_mandriva.com
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Type Bits/KeyID Date User ID
pub 1024D/22458A98 2000-07-10 Mandriva Security Team
<security*mandriva.com>
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