CVE-2011-1781

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Summary

CVECVE-2011-1781
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2011-08-29 21:55:00 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionSystemTap 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).

Risk And Classification

Primary CVSS: v2.0 1.2 from [email protected]

AV:L/AC:H/Au:N/C:N/I:N/A:P

Problem Types: CWE-189 | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
High
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:L/AC:H/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Systemtap Systemtap 1.4 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Bug 702687 – CVE-2011-1769 systemtap: does not guard against DWARF operations div-by-zero errors, which can cause a kernel panic af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com
SystemTap DWARF Expression Handling Two Divide-By-Zero Denial of Service Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
mandriva.com af854a3a-2127-422b-91ae-364da2661108 www.mandriva.com
Red Hat update for systemtap - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
oss-security - systemtap divide-by-zero issues (CVE-2011-1769, CVE-2011-1781) af854a3a-2127-422b-91ae-364da2661108 openwall.com
access.redhat.com af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
sourceware.org Git - systemtap.git/commit af854a3a-2127-422b-91ae-364da2661108 sourceware.org
sourceware.org Git - systemtap.git/commit MITRE sourceware.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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