systemtap: kernel panic when processing malformed DWARF unwind data

SystemTap 1.7, 1.6.7, and probably other versions, when unprivileged mode is enabled, allows local users to obtain sensitive information from kernel memory or cause a denial of service kernel panic and crash via vectors related to crafted DWARF data, which triggers a read of an invalid pointer...

PT-2012-1085 · Red Hat +2 · Systemtap +3

Name of the Vulnerable Software and Affected Versions: SystemTap versions 1.6, 1.7 and probably other versions SystemTap versions prior to 2.0 Description: The issue allows local users to obtain sensitive information from kernel memory or cause a denial of service via vectors related to crafted...

[ MDVSA-2011:155 ] systemtap

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Mandriva Linux Security Advisory MDVSA-2011:155 http://www.mandriva.com/security/ Package : systemtap Date : October 17, 2011 Affected: 2011. Problem Description: Multiple vulnerabilities has been discovered and corrected in systemtap: SystemTap 1.4 a...

Denial of service

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...

DEBIAN-CVE-2011-1781

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...

Denial of service

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-2011-1781

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

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

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

CVE-2011-1781 affects SystemTap 1.4 in stapusr (unprivileged) mode via crafted ELF with DWARF expressions that are not properly handled by the stack-unwinding logic, causing a denial-of-service (divide-by-zero/OOPS). Connected advisories confirm the issue alongside CVE-2011-1769 and indicate fixe...

CVE-2011-1769

CVE-2011-1769 affects SystemTap 1.4 and earlier. When unprivileged (stapusr) mode is enabled, a crafted ELF with DWARF expressions can cause a denial of service (divide-by-zero/OOPS) via a stap script that accesses context variables. Local users can trigger this vulnerability, as described in the...

CVE-2011-1769

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-2011-1781

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

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: Undefined Security Weakness

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-2011-1769: Undefined Security Weakness

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...

Moderate: Red Hat Security Advisory: systemtap security update

Updated systemtap packages that fix one security issue are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

systemtap: does not guard against DWARF operations div-by-zero errors, which can cause a kernel panic

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...

systemtap: divide by zero stack unwinding flaw

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...

Fedora 15 : systemtap-1.4-9.fc15 (2011-7314)

Two divide-by-zero flaws were found in the way systemtap interpreted certain corrupted DWARF expressions. A privileged user able to execute arbitrary systemtap scripts could be tricked into triggering this flaw to crash the target machine. An unprivileged user in the stapusr group may be able to...