First published: Mon Feb 12 2024(Updated: )
The Closest Encloser Proof aspect of the DNS protocol (in RFC 5155 when RFC 9276 guidance is skipped) allows remote attackers to cause a denial of service (CPU consumption for SHA-1 computations) via DNSSEC responses in a random subdomain attack, aka the "NSEC3" issue. The RFC 5155 specification implies that an algorithm must perform thousands of iterations of a hash function in certain situations.
Credit: cve@mitre.org cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
ubuntu/bind9 | <1:9.11.3+dfsg-1ubuntu1.19+ | 1:9.11.3+dfsg-1ubuntu1.19+ |
ubuntu/bind9 | <1:9.16.48-0ubuntu0.20.04.1 | 1:9.16.48-0ubuntu0.20.04.1 |
ubuntu/bind9 | <1:9.18.18-0ubuntu0.22.04.2 | 1:9.18.18-0ubuntu0.22.04.2 |
ubuntu/bind9 | <1:9.18.18-0ubuntu2.1 | 1:9.18.18-0ubuntu2.1 |
ubuntu/bind9 | <1:9.9.5.dfsg-3ubuntu0.19+ | 1:9.9.5.dfsg-3ubuntu0.19+ |
ubuntu/bind9 | <9.16.48<9.18.24<9.19.21 | 9.16.48 9.18.24 9.19.21 |
ubuntu/bind9 | <1:9.10.3.dfsg. | 1:9.10.3.dfsg. |
ubuntu/dnsmasq | <2.90-0ubuntu0.18.04.1+ | 2.90-0ubuntu0.18.04.1+ |
ubuntu/dnsmasq | <2.90-0ubuntu0.20.04.1 | 2.90-0ubuntu0.20.04.1 |
ubuntu/dnsmasq | <2.90-0ubuntu0.22.04.1 | 2.90-0ubuntu0.22.04.1 |
ubuntu/dnsmasq | <2.90-0ubuntu0.23.10.1 | 2.90-0ubuntu0.23.10.1 |
ubuntu/dnsmasq | <2.90-1 | 2.90-1 |
ubuntu/dnsmasq | <2.90 | 2.90 |
ubuntu/dnsmasq | <2.90-0ubuntu0.16.04.1+ | 2.90-0ubuntu0.16.04.1+ |
ubuntu/knot-resolver | <5.7.1-1 | 5.7.1-1 |
ubuntu/pdns-recursor | <4.9.3-1 | 4.9.3-1 |
ubuntu/unbound | <1.9.4-2ubuntu1.5 | 1.9.4-2ubuntu1.5 |
ubuntu/unbound | <1.13.1-1ubuntu5.4 | 1.13.1-1ubuntu5.4 |
ubuntu/unbound | <1.17.1-2ubuntu0.1 | 1.17.1-2ubuntu0.1 |
ubuntu/unbound | <1.19.1-1ubuntu1 | 1.19.1-1ubuntu1 |
ubuntu/unbound | <1.19.1-1 | 1.19.1-1 |
F5 BIG-IP | >=17.1.0<=17.1.1 | |
F5 BIG-IP | >=16.1.0<=16.1.4 | |
F5 BIG-IP | >=15.1.0<=15.1.10 | |
debian/bind9 | <=1:9.11.5.P4+dfsg-5.1+deb10u7<=1:9.11.5.P4+dfsg-5.1+deb10u10<=1:9.16.44-1~deb11u1<=1:9.18.19-1~deb12u1 | 1:9.16.48-1 1:9.18.24-1 1:9.19.21-1 |
debian/dnsmasq | <=2.80-1+deb10u1<=2.85-1<=2.89-1 | 2.90-3 |
debian/knot-resolver | <=3.2.1-3<=3.2.1-3+deb10u2<=5.3.1-1+deb11u1<=5.6.0-1 | 5.6.0-1+deb12u1 5.7.2-1 |
debian/pdns-recursor | <=4.1.11-1+deb10u1<=4.4.2-3<=4.8.4-1 | 4.8.8-1 4.9.5-1 |
debian/systemd | <=241-7~deb10u8<=241-7~deb10u10<=247.3-7+deb11u4<=252.22-1~deb12u1 | 255.5-1 |
debian/unbound | <=1.9.0-2+deb10u2<=1.13.1-1+deb11u1<=1.17.1-2+deb12u1 | 1.9.0-2+deb10u4 1.13.1-1+deb11u2 1.17.1-2+deb12u2 1.19.2-1 1.20.0-1 |
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(Appears in the following advisories)