Vulnerability Name:

CCN-201036

Published:2021-04-30
Updated:2021-04-30
Summary:ISC BIND could allow a remote attacker to obtain sensitive information, caused by an out-of-bounds read in the handling of TKEY queries. By sending a specially-crafted request, an attacker could exploit this vulnerability to read past the end of an allocated buffer.
CVSS v3 Severity:3.7 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)
3.2 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:2.6 Low (CCN CVSS v2 Vector: AV:N/AC:H/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Consequences:Obtain Information
References:Source: XF
Type: UNKNOWN
isc-bind-tkeyquery-info-disc(201036)

Source: CCN
Type: ISC Web site
ISC BIND

Source: CCN
Type: ZDI-21-502
ISC BIND TKEY Query Out-Of-Bounds Read Information Disclosure Vulnerability

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/a:isc:bind:9.11.0:*:*:*:*:*:*:*
  • OR cpe:/a:isc:bind:9.16.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    isc bind 9.11.0
    isc bind 9.16.0