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 ar...
LowCVSS 1.2
EPSS 0.30%
- Published
- Updated
- Exploit status
- No public exploit known
Description
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).
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/systemtap(Debian:12) | < 1.6-1 | 1.6-1 |
| debian/systemtap(Debian:13) | < 1.6-1 | 1.6-1 |
| debian/systemtap(Debian:14) | < 1.6-1 | 1.6-1 |
| systemtap | = 1.4 | No fix listed |
References
- Debian Security Tracker CVE-2011-1781 vendor-advisory
- [oss-security] 20110520 systemtap divide-by-zero issues (CVE-2011-1769, CVE-2011-1781) mailing-list
- 44802 third-party-advisory
- sourceware.org
- MDVSA-2011:155 vendor-advisory
- 47934 vdb-entry
- bugzilla.redhat.com
- RHSA-2011:0842 vendor-advisory
- bugs.debian.org issue-tracking