CVE-2022-27882

7.5HIGH

Key Information:

Vendor
OpenBSD
Status
OpenBSD
Vendor
CVE Published:
25 March 2022

Summary

slaacd in OpenBSD 6.9 and 7.0 before 2022-03-22 has an integer signedness error and resultant heap-based buffer overflow triggerable by a crafted IPv6 router advertisement. NOTE: privilege separation and pledge can prevent exploitation.

References

https://blog.quarkslab.com/heap-overflow-in-openbsds-slaa...
x_refsource_MISC
https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/01...
x_refsource_MISC
https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/03...
x_refsource_MISC

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

  • Vulnerability published

  • Vulnerability Reserved

.