Home/CVE/Niels Provos Systrace 1.6f and earlier on the x86_64 Linux platform allows local users to bypass intended access restric
CVE

CVE-2009-0343

Niels Provos Systrace 1.6f and earlier on the x86_64 Linux platform allows local users to bypass intended access restric

Niels Provos Systrace 1.6f and earlier on the x86_64 Linux platform allows local users to bypass intended access restrictions by making a 32-bit syscall with a syscall number that corresponds to a policy-compliant 64-bit syscall, related to race conditions that occur in monitoring 64-bit processes.

HIGH · CVSS 7.2 EPSS 0.00098
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
▤

Affected Products & Versions

2
niels provos systrace<= 1.6e
niels provos systraceall versions
⚠

Public Exploits & PoCs

3
localSystrace 1.x (Linux Kernel x64) - Aware Local Privilege Escalationverified
pocscary.beasts.org · CESA-2009-001.htmlscary.beasts.org
pocwww.securityfocus.com · 33417www.securityfocus.com
▣

Scoring & Timeline

7.2
HIGH · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:L/AC:L/Au:N/C:C/I:C/A:C
Published to NVD29 Jan 2009 · 07:30 PM
⚑

Vendor Advisories

4
rhsaRHSA-2010:0079Important
rhsaRHSA-2009:0473Moderate
rhsaRHSA-2009:0451Important
rhsaRHSA-2009:0459Important
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://scarybeastsecurity.blogspot.com/2009/01/bypassing-syscall-filtering.html
http://www.citi.umich.edu/u/provos/systrace/
http://www.securityfocus.com/archive/1/500377/100/0/threaded
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