ghsa-38h6-vxp4-qxvm
Vulnerability from github
Published
2022-05-24 19:10
Modified
2022-05-24 19:10
Severity ?
Details
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.
{ "affected": [], "aliases": [ "CVE-2021-29923" ], "database_specific": { "cwe_ids": [], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2021-08-07T17:15:00Z", "severity": "HIGH" }, "details": "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.", "id": "GHSA-38h6-vxp4-qxvm", "modified": "2022-05-24T19:10:21Z", "published": "2022-05-24T19:10:21Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-29923" }, { "type": "WEB", "url": "https://github.com/golang/go/issues/30999" }, { "type": "WEB", "url": "https://github.com/golang/go/issues/43389" }, { "type": "WEB", "url": "https://defcon.org/html/defcon-29/dc-29-speakers.html#kaoudis" }, { "type": "WEB", "url": "https://github.com/sickcodes/security/blob/master/advisories/SICK-2021-016.md" }, { "type": "WEB", "url": "https://go-review.googlesource.com/c/go/+/325829" }, { "type": "WEB", "url": "https://golang.org/pkg/net/#ParseCIDR" }, { "type": "WEB", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4CHKSFMHZVOBCZSSVRE3UEYNKARTBMTM" }, { "type": "WEB", "url": "https://security.gentoo.org/glsa/202208-02" }, { "type": "WEB", "url": "https://www.oracle.com/security-alerts/cpujan2022.html" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "type": "CVSS_V3" } ] }
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Sightings
Author | Source | Type | Date |
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Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.