Vulnerability in Freebsd

CVE-2013-2171

The vm_map_lookup function in sys/vm/vm_map.c in the mmap implementation in the kernel in FreeBSD 9.0 through 9.1-RELEASE-p4 does not properly determine whether a task should have write access to a memory location, which allows local users to bypass filesystem write permissions and consequently gain privileges via a crafted application that leverages read permissions, and makes mmap and ptrace system calls.

EPSS: 0.069 (93.4th percentile) — read the EPSS interpretation.

Affected products

  • Freebsd — versions 9.0, 9.1
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2013-2171?
CVE-2013-2171 is a vulnerability in Freebsd, classified under CWE-264. Published 2013-07-02.
Is CVE-2013-2171 known to be exploited?
7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.