CISA Alerts: High-Severity SLP Vulnerability Now Under Active Exploitation

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday additional a superior-severity flaw in the Provider Place Protocol (SLP) to its Acknowledged Exploited Vulnerabilities (KEV) catalog, citing proof of active exploitation.

Tracked as CVE-2023-29552 (CVSS rating: 7.5), the issue relates to a denial-of-assistance (DoS) vulnerability that could be weaponized to launch substantial DoS amplification attacks.

It was disclosed by Bitsight and Curesec previously this April.

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“The Company Site Protocol (SLP) consists of a denial-of-provider (DoS) vulnerability that could let an unauthenticated, distant attacker to sign-up expert services and use spoofed UDP targeted traffic to conduct a denial-of-service (DoS) attack with a sizeable amplification factor,” CISA claimed.

SLP is a protocol that permits methods on a area spot network (LAN) to explore each and every other and create communications.

The precise particulars bordering the nature of exploitation of the flaw are at this time unidentified, but Bitsight previously warned that the shortcoming could be exploited to stage DoS with a significant amplification factor.

“This very large amplification factor lets for an below-resourced risk actor to have a major impression on a focused network and/or server by means of a reflection DoS amplification attack,” it said.

In gentle of actual-planet attacks utilizing the flaw, federal companies are demanded to utilize the important mitigations, including disabling the SLP support on techniques working on untrusted networks, by November 29, 2023, to protected their networks against opportunity threats.

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