PT-2020-15810 · Powerdns+1 · Powerdns Authoritative+2

Nathaniel Ferguson · Published 2020-10-02 · Updated 2022-11-18 · CVE-2020-24696

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions PowerDNS Authoritative versions prior to 4.3.0

Description A remote, unauthenticated attacker can trigger a race condition leading to a crash, or possibly arbitrary code execution, by sending crafted queries with a GSS-TSIG signature when the --enable-experimental-gss-tsig option is used.

Recommendations For PowerDNS Authoritative versions prior to 4.3.0, consider disabling the --enable-experimental-gss-tsig option as a temporary workaround to minimize the risk of exploitation.

Fix

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

ALT-PU-2022-2644

ALT-PU-2022-3173

CVE-2020-24696

Affected Products

Alt Linux

Powerdns Authoritative

Powerdns Authoritative Server

References · 8

• https://osv.dev/vulnerability/CVE-2020-24696 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-24696 · Security Note
• https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2020-06.html · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2020-24696 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-24696 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-24696 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-24696 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-24696 · Security Note