synced 8 MIN AGO
01 Record

CVE-2020-8625

A vulnerability in BIND's GSSAPI security policy negotiation can be targeted by a buffer overflow attack

HighPUBLISHEDCNA: isc
CNA base score8.1 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

02 Description

A vulnerability in BIND's GSSAPI security policy negotiation can be targeted by a buffer overflow attack

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
64.16% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 99.1% of scored records. A rank, not a probability.
NVD base score
8.1 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-02-17 22:40Z5 YR AGO
Last updated
2024-09-16 22:40Z2 YR AGO
Reserved
2020-02-05
Assigning CNA
isc
Record state
PUBLISHED
Severity
High (CVSS 8.1)
CNA CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
  • CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base
  • CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
Data version
5.1
Document digest
8685179025f611c66b4e93263ab85d956d104b2ef4f98223ecce5cc1e466755c

05 Affected products

VendorProductVersionsPlatforms
ISCBIND9Open Source Branches 9.5 though 9.11 9.5.0 through versions before 9.11.28, Open Source Branches 9.12 though 9.16 9.12.0 through versions before 9.16.12, Supported Preview Branch 9.11-S 9.11.3-S1 through versions before 9.11.28-S1, Supported Preview Branch 9.16-S 9.16.8-S1 through versions before 9.16.12-S1, Development Branch 9.17 9.17.0 through versions before 9.17.2—

06 References

07 Remediation

Upgrade to the patched release most closely related to your current version of BIND: BIND 9.11.28 BIND 9.16.12 BIND Supported Preview Edition is a special feature-preview branch of BIND provided to eligible ISC support customers. BIND 9.11.28-S1 BIND 9.16.12-S1 Acknowledgments: ISC would like to thank an anonymous party, working in conjunction with Trend Micro Zero Day Initiative, for reporting this issue to us.

08 Fixed in

Arch Linux

  • bind
    Fixed in 9.16.12-1

Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.

Debian 12

  • bind9
    Fixed in 1:9.16.12-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • bind9
    Fixed in 1:9.16.12-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • bind9
    Fixed in 1:9.16.12-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 16.04 LTS

  • bind9
    Fixed in 1:9.10.3.dfsg.P4-8ubuntu1.18

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 18.04 LTS

  • bind9
    Fixed in 1:9.11.3+dfsg-1ubuntu1.14

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 20.04 LTS

  • bind9
    Fixed in 1:9.16.1-0ubuntu2.6

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 14.04 LTS

  • bind9
    Fixed in 1:9.9.5.dfsg-3ubuntu0.19+esm4
    Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.