USN-4365-2

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Source
https://ubuntu.com/security/notices/USN-4365-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/USN-4365-2.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4365-2
Related
Published
2020-05-20T18:10:30.152637Z
Modified
2020-05-20T18:10:30.152637Z
Summary
bind9 vulnerabilities
Details

USN-4365-1 fixed several vulnerabilities in Bind. This update provides the corresponding update for Ubuntu 12.04 ESM and 14.04 ESM.

Original advisory details:

Lior Shafir, Yehuda Afek, and Anat Bremler-Barr discovered that Bind incorrectly limited certain fetches. A remote attacker could possibly use this issue to cause Bind to consume resources, leading to a denial of service, or possibly use Bind to perform a reflection attack. (CVE-2020-8616)

Tobias Klein discovered that Bind incorrectly handled checking TSIG validity. A remote attacker could use this issue to cause Bind to crash, resulting in a denial of service, or possibly perform other attacks. (CVE-2020-8617)

References

Affected packages

Ubuntu:Pro:14.04:LTS / bind9

Package

Name
bind9

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:9.9.5.dfsg-3ubuntu0.19+esm2

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "lwresd": "1:9.9.5.dfsg-3ubuntu0.19+esm2",
            "bind9utils": "1:9.9.5.dfsg-3ubuntu0.19+esm2",
            "bind9": "1:9.9.5.dfsg-3ubuntu0.19+esm2",
            "libbind-dev": "1:9.9.5.dfsg-3ubuntu0.19+esm2",
            "host": "1:9.9.5.dfsg-3ubuntu0.19+esm2",
            "bind9-doc": "1:9.9.5.dfsg-3ubuntu0.19+esm2",
            "liblwres90": "1:9.9.5.dfsg-3ubuntu0.19+esm2",
            "libisccfg90": "1:9.9.5.dfsg-3ubuntu0.19+esm2",
            "libisccc90": "1:9.9.5.dfsg-3ubuntu0.19+esm2",
            "libdns100": "1:9.9.5.dfsg-3ubuntu0.19+esm2",
            "libbind9-90": "1:9.9.5.dfsg-3ubuntu0.19+esm2",
            "bind9-host": "1:9.9.5.dfsg-3ubuntu0.19+esm2",
            "libisc95": "1:9.9.5.dfsg-3ubuntu0.19+esm2",
            "dnsutils": "1:9.9.5.dfsg-3ubuntu0.19+esm2"
        }
    ]
}