CVE-2023-45886 — The BGP daemon (bgpd) in IP Infusion ZebOS through 7

The BGP daemon (bgpd) in IP Infusion ZebOS through 7.10.6 allow remote attackers to cause a denial of service by sending crafted BGP update messages containing a malformed attribute.

01What is this vulnerability?

The BGP daemon (bgpd) in IP Infusion ZebOS through 7.10.6 allow remote attackers to cause a denial of service by sending crafted BGP update messages containing a malformed attribute.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-11-21T00:00:00.000Z
• Last modified: 2024-08-02T20:29:32.495Z

09References

• blog.benjojo.co.uk — https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling
• www.kb.cert.org — https://www.kb.cert.org/vuls/id/347067
• www.ipinfusion.com — https://www.ipinfusion.com/doc_prod_cat/zebos/
• my.f5.com — https://my.f5.com/manage/s/article/K000137315