Test ID:	1.3.6.1.4.1.25623.1.0.704994
Category:	Debian Local Security Checks
Title:	Debian: Security Advisory (DSA-4994-1)
Summary:	The remote host is missing an update for the Debian 'bind9' package(s) announced via the DSA-4994-1 advisory.
Description:	Summary: The remote host is missing an update for the Debian 'bind9' package(s) announced via the DSA-4994-1 advisory. Vulnerability Insight: Kishore Kumar Kothapalli discovered that the lame server cache in BIND, a DNS server implementation, can be abused by an attacker to significantly degrade resolver performance, resulting in denial of service (large delays for responses for client queries and DNS timeouts on client hosts). For the oldstable distribution (buster), this problem has been fixed in version 1:9.11.5.P4+dfsg-5.1+deb10u6. For the stable distribution (bullseye), this problem has been fixed in version 1:9.16.22-1~ deb11u1. 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] Affected Software/OS: 'bind9' package(s) on Debian 10, Debian 11. Solution: Please install the updated package(s). CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2021-25219 https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf https://kb.isc.org/v1/docs/cve-2021-25219 https://security.netapp.com/advisory/ntap-20211118-0002/ Debian Security Information: DSA-4994 (Google Search) https://www.debian.org/security/2021/dsa-4994 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YGV7SA27CTYLGFJSPUM3V36ZWK7WWDI4/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YTKC4E3HUOLYN5IA4EBL4VAQSWG2ZVTX/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EF4NAVRV4H3W4GA3LGGZYUKD3HSJBAVW/ https://security.gentoo.org/glsa/202210-25 https://www.oracle.com/security-alerts/cpuapr2022.html https://lists.debian.org/debian-lts-announce/2021/11/msg00001.html
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