Vulnerability in Ipsec-Tools

CVE-2009-1632

Multiple memory leaks in Ipsec-tools before 0.7.2 allow remote attackers to cause a denial of service (memory consumption) via vectors involving (1) signature verification during user authentication with X.509 certificates, related to the eay_check_x509sign function in src/racoon/crypto_openssl.c; and (2) the NAT-Traversal (aka NAT-T) keepalive implementation, related to src/racoon/nattraversal.c.

EPSS: 0.020 (78.9th percentile) — read the EPSS interpretation.

Affected products

  • Ipsec-tools — versions 0.1, 0.2, 0.2.1
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2009-1632?
CVE-2009-1632 is a vulnerability in Ipsec-Tools, classified under CWE-399. Published 2009-05-14.
Is CVE-2009-1632 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.