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Test ID:1.3.6.1.4.1.25623.1.0.704857
Category:Debian Local Security Checks
Title:Debian: Security Advisory for bind9 (DSA-4857-1)
Summary:The remote host is missing an update for the 'bind9'; package(s) announced via the DSA-4857-1 advisory.
Description:Summary:
The remote host is missing an update for the 'bind9'
package(s) announced via the DSA-4857-1 advisory.

Vulnerability Insight:
A buffer overflow vulnerability was discovered in the SPNEGO
implementation affecting the GSSAPI security policy negotiation in BIND,
a DNS server implementation, which could result in denial of service
(daemon crash), or potentially the execution of arbitrary code.

Affected Software/OS:
'bind9' package(s) on Debian Linux.

Solution:
For the stable distribution (buster), this problem has been fixed in
version 1:9.11.5.P4+dfsg-5.1+deb10u3.

We recommend that you upgrade your bind9 packages.

CVSS Score:
6.8

CVSS Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2020-8625
https://kb.isc.org/v1/docs/cve-2020-8625
Debian Security Information: DSA-4857 (Google Search)
https://www.debian.org/security/2021/dsa-4857
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QWCMBOSZOJIIET7BWTRYS3HLX5TSDKHX/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KYXAF7G45RXDVNUTWWCI2CVTHRZ67LST/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EBTPWRQWRQEJNWY4NHO4WLS4KLJ3ERHZ/
https://www.zerodayinitiative.com/advisories/ZDI-21-195/
https://lists.debian.org/debian-lts-announce/2021/02/msg00029.html
http://www.openwall.com/lists/oss-security/2021/02/19/1
http://www.openwall.com/lists/oss-security/2021/02/20/2
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