CVE-2022-26495

Description

In nbd-server in nbd before 3.24, there is an integer overflow with a resultant heap-based buffer overflow. A value of 0xffffffff in the name length field will cause a zero-sized buffer to be allocated for the name, resulting in a write to a dangling pointer. This issue exists for the NBD_OPT_INFO, NBD_OPT_GO, and NBD_OPT_EXPORT_NAME messages.

Weakness classification

• CWE-190: Integer Overflow or Wraparound

Primary references

• cve@mitre.org — Mailing List, Third Party Advisory
• cve@mitre.org — Exploit, Mailing List, Third Party Advisory
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org — Product, Release Notes, Third Party Advisory
• cve@mitre.org — Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Exploit, Mailing List, Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108
• af854a3a-2127-422b-91ae-364da2661108