CVE-2021-29923

Description

Go before 1.17 does not properly consider extraneous zero characters at the beginning of an IP address octet, which (in some situations) allows attackers to bypass access control that is based on IP addresses, because of unexpected octal interpretation. This affects net.ParseIP and net.ParseCIDR.

Weakness classification

• nvd@nist.gov: NVD-CWE-noinfo

Primary references

• cve@mitre.org — Third Party Advisory
• cve@mitre.org — Exploit, Issue Tracking, Third Party Advisory
• cve@mitre.org — Issue Tracking, Third Party Advisory
• cve@mitre.org — Exploit, Third Party Advisory
• cve@mitre.org — Patch, Third Party Advisory
• cve@mitre.org — Vendor Advisory
• cve@mitre.org
• cve@mitre.org — Third Party Advisory
• cve@mitre.org — Patch, Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Third Party Advisory