CVE-2021-29923

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…

published August 7, 2021

CVSS
—
EPSS
4%
Percentile
89.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03744 · 89.8th percentile
Published
2021-08-07T16:38Z
EPSS history
Timeline
  • 07 AUG 16:38Z
    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…
    cvelistv5