Test ID:	1.3.6.1.4.1.25623.1.0.893138
Category:	Debian Local Security Checks
Title:	Debian: Security Advisory (DLA-3138-1)
Summary:	The remote host is missing an update for the Debian 'bind9' package(s) announced via the DLA-3138-1 advisory.
Description:	Summary: The remote host is missing an update for the Debian 'bind9' package(s) announced via the DLA-3138-1 advisory. Vulnerability Insight: Several vulnerabilities were discovered in BIND, a DNS server implementation. CVE-2022-2795 Yehuda Afek, Anat Bremler-Barr and Shani Stajnrod discovered that a flaw in the resolver code can cause named to spend excessive amounts of time on processing large delegations, significantly degrade resolver performance and result in denial of service. CVE-2022-38177 It was discovered that the DNSSEC verification code for the ECDSA algorithm is susceptible to a memory leak flaw. A remote attacker can take advantage of this flaw to cause BIND to consume resources, resulting in a denial of service. CVE-2022-38178 It was discovered that the DNSSEC verification code for the EdDSA algorithm is susceptible to a memory leak flaw. A remote attacker can take advantage of this flaw to cause BIND to consume resources, resulting in a denial of service. For Debian 10 buster, these problems have been fixed in version 1:9.11.5.P4+dfsg-5.1+deb10u8. We recommend that you upgrade your bind9 packages. For the detailed security status of bind9 please refer to its security tracker page at: [link moved to references] Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: [link moved to references] Affected Software/OS: 'bind9' package(s) on Debian 10. Solution: Please install the updated package(s). CVSS Score: 7.8 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2022-2795 https://kb.isc.org/docs/cve-2022-2795 Debian Security Information: DSA-5235 (Google Search) https://www.debian.org/security/2022/dsa-5235 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/ https://security.gentoo.org/glsa/202210-25 https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html http://www.openwall.com/lists/oss-security/2022/09/21/3 Common Vulnerability Exposure (CVE) ID: CVE-2022-38177 https://kb.isc.org/docs/cve-2022-38177 Common Vulnerability Exposure (CVE) ID: CVE-2022-38178 https://kb.isc.org/docs/cve-2022-38178
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