Destroying a TLS session early causes assertion failure
CVE-2022-1183

7.5HIGH

Key Information:

Vendor

Isc
Status
Bind9
Vendor
CVE Published:
19 May 2022

Badges

👾 Exploit Exists

What is CVE-2022-1183?

On vulnerable configurations, the named daemon may, in some circumstances, terminate with an assertion failure. Vulnerable configurations are those that include a reference to http within the listen-on statements in their named.conf. TLS is used by both DNS over TLS (DoT) and DNS over HTTPS (DoH), but configurations using DoT alone are unaffected. Affects BIND 9.18.0 -> 9.18.2 and version 9.19.0 of the BIND 9.19 development branch.

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Affected Version(s)

BIND9 Open Source Branch 9.18 9.18.0 through versions before 9.18.3

BIND9 Development Branch 9.19 9.19.0

References

https://kb.isc.org/docs/cve-2022-1183
x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-20220707-0002/
x_refsource_CONFIRM

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

ISC would like to thank Thomas Amgarten from arcade solutions ag for bringing this vulnerability to our attention.
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