CVE-2023-29552 · netVigilance record NV23-0161
Service Location Protocol (SLP) Denial-of-Service
past due
What to do
Apply mitigations per vendor instructions or disable SLP service or port 427/UDP on all systems running on untrusted networks, including those directly connected to the Internet.
CISA deadline 2023-11-29 · passed 2 years 9 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
The Service Location Protocol (SLP) contains a denial-of-service (DoS) vulnerability that could allow an unauthenticated, remote attacker to register services and use spoofed UDP traffic to conduct a denial-of-service (DoS) attack with a significant amplification factor.
Who is affected
IETF Service Location Protocol (SLP). Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 2 years 9 months ago
Sources
- NVD entry for CVE-2023-29552 nvd.nist.gov/vuln/detail/CVE-2023-29552
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- bitsight.com www.bitsight.com/blog/new-high-severity-vulnerability-cve-2023-29552-discovered-service-location-protocol-slp
- cisa.gov www.cisa.gov/news-events/alerts/2023/04/25/abuse-service-location-protocol-may-lead-dos-attacks
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2023-29552