CVE-2021-29923
CVE-2021-29923
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 7.5 · High · EPSS 3.7%
- Published
- Updated
Stack: system
Affected products and versions
n/a
- Versions
- n/a: Affected
No fix published
golang-1.15 Debian:11
- Versions
- 1.15.15-1
- 1.15.15-1~deb11u1
- 1.15.15-1~deb11u2
- 1.15.15-1~deb11u3
- 1.15.15-1~deb11u4
- 1.15.15-2
- 1.15.15-3
- 1.15.15-4
- 1.15.15-5
- 1.15.9-6
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
golang-1.10 Ubuntu:14.04:LTS
- Versions
- 1.10.4-2ubuntu1~14.04.1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
golang-1.10 Ubuntu:16.04:LTS
- Versions
- 1.10.4-2ubuntu1~16.04.1
- 1.10.4-2ubuntu1~16.04.2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
golang-1.6 Ubuntu:16.04:LTS
- Versions
- 1.6-0ubuntu1
- 1.6-0ubuntu2
- 1.6-0ubuntu3
- 1.6-0ubuntu4
- 1.6-0ubuntu5
- 1.6.1-0ubuntu1
- 1.6.2-0ubuntu5~16.04
- 1.6.2-0ubuntu5~16.04.2
- 1.6.2-0ubuntu5~16.04.3
- 1.6.2-0ubuntu5~16.04.4
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
golang-1.13 Ubuntu:Pro:16.04:LTS
- Versions
- 1.13.8-1ubuntu1~16.04.2
- 1.13.8-1ubuntu1~16.04.3
- 1.13.8-1ubuntu1~16.04.3+esm2
- 1.13.8-1ubuntu1~16.04.3+esm3
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
golang-1.10 Ubuntu:18.04:LTS
- Versions
- 1.10~rc1-1
- 1.10~rc1-1ubuntu1
- 1.10~rc1-2ubuntu1
- 1.10~rc2-1ubuntu1
- 1.10-1ubuntu1
- 1.10.1-1ubuntu2
- 1.10.4-2ubuntu1~18.04.1
- 1.10.4-2ubuntu1~18.04.2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
golang-1.13 Ubuntu:Pro:18.04:LTS
- Versions
- 1.13.8-1ubuntu1~18.04.2
- 1.13.8-1ubuntu1~18.04.3
- 1.13.8-1ubuntu1~18.04.4
- 1.13.8-1ubuntu1~18.04.4+esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
golang-1.16 Ubuntu:Pro:18.04:LTS
- Versions
- 1.16.2-0ubuntu1~18.04.2
- 1.16.2-0ubuntu1~18.04.2+esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
golang-1.8 Ubuntu:18.04:LTS
- Versions
- 1.8.3-2ubuntu1
- 1.8.3-2ubuntu1.18.04.1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
golang-1.9 Ubuntu:18.04:LTS
- Versions
- 1.9.1-2ubuntu1
- 1.9.2-1ubuntu1
- 1.9.2-3ubuntu1
- 1.9.3-1ubuntu1
- 1.9.4-1ubuntu1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
golang-1.13 Ubuntu:20.04:LTS
- Versions
- 1.13.1-1ubuntu1
- 1.13.3-1ubuntu1
- 1.13.4-1ubuntu1
- 1.13.5-1ubuntu1
- 1.13.6-1ubuntu1
- 1.13.6-2ubuntu1
- 1.13.7-1ubuntu1
- 1.13.8-1ubuntu1
- 1.13.8-1ubuntu1.1
- 1.13.8-1ubuntu1.2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
golang-1.14 Ubuntu:20.04:LTS
- Versions
- 1.14~beta1-1
- 1.14~beta1-2
- 1.14~rc1-1
- 1.14-1
- 1.14.1-1
- 1.14.2-1
- 1.14.2-1ubuntu1
- 1.14.3-2ubuntu2~20.04.1
- 1.14.3-2ubuntu2~20.04.2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
golang-1.16 Ubuntu:Pro:20.04:LTS
- Versions
- 1.16.2-0ubuntu1~20.04
- 1.16.2-0ubuntu1~20.04.1
- 1.16.2-0ubuntu1~20.04.1+esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
golang-1.13 Ubuntu:Pro:22.04:LTS
- Versions
- 1.13.8-1ubuntu2
- 1.13.8-1ubuntu2.22.04.1
- 1.13.8-1ubuntu2.22.04.1+esm1
- 1.13.8-1ubuntu2.22.04.2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
Original sources
- https://golang.org/pkg/net/#ParseCIDR
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://defcon.org/html/defcon-29/dc-29-speakers.html#kaoudis
- https://github.com/golang/go/issues/43389
- https://github.com/golang/go/issues/30999
- https://go-review.googlesource.com/c/go/+/325829/
- https://github.com/sickcodes/security/blob/master/advisories/SICK-2021-016.md
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4CHKSFMHZVOBCZSSVRE3UEYNKARTBMTM/
- https://security.gentoo.org/glsa/202208-02
- https://nvd.nist.gov/vuln/detail/CVE-2021-29923