Vulnerability in Systemtap
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).
Published · last modified .
CVSS v2 metric
CVSS v2 base score 1.2 (Low). Vector: AV:L/AC:H/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.003 (20.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Systemtap — versions 1.4
Weakness classification (CWE)
References
- secunia.com/advisories/44802 (third-party-advisory)
- bugzilla.redhat.com/show_bug.cgi
- sourceware.org/git/
- www.securityfocus.com/bid/47934 (vdb-entry)
- www.mandriva.com/security/advisories (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2011-0842.html (vendor-advisory)
- openwall.com/lists/oss-security/2011/05/20/2 (mailing-list)