ghsa-gpcj-wh2f-rr23
Vulnerability from github
Published
2023-12-19 00:30
Modified
2024-05-22 18:30
Severity ?
Details
A flaw was found in the libssh implements abstract layer for message digest (MD) operations implemented by different supported crypto backends. The return values from these were not properly checked, which could cause low-memory situations failures, NULL dereferences, crashes, or usage of the uninitialized memory as an input for the KDF. In this case, non-matching keys will result in decryption/integrity failures, terminating the connection.
{
"affected": [],
"aliases": [
"CVE-2023-6918"
],
"database_specific": {
"cwe_ids": [
"CWE-252"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-12-19T00:15:08Z",
"severity": "LOW"
},
"details": "A flaw was found in the libssh implements abstract layer for message digest (MD) operations implemented by different supported crypto backends. The return values from these were not properly checked, which could cause low-memory situations failures, NULL dereferences, crashes, or usage of the uninitialized memory as an input for the KDF. In this case, non-matching keys will result in decryption/integrity failures, terminating the connection.",
"id": "GHSA-gpcj-wh2f-rr23",
"modified": "2024-05-22T18:30:38Z",
"published": "2023-12-19T00:30:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-6918"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2024:2504"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2024:3233"
},
{
"type": "WEB",
"url": "https://access.redhat.com/security/cve/CVE-2023-6918"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2254997"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LZQVUHWVWRH73YBXUQJOD6CKHDQBU3DM"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MKQRBF3DWMWPH36LBCOBUTSIZRTPEZXB"
},
{
"type": "WEB",
"url": "https://www.libssh.org/2023/12/18/libssh-0-10-6-and-libssh-0-9-8-security-releases"
},
{
"type": "WEB",
"url": "https://www.libssh.org/security/advisories/CVE-2023-6918.txt"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
}
]
}
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- 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.