CVE-2022-4087

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2022-4087
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-4087.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2022-4087
Published
2022-11-21T00:00:00Z
Modified
2026-10-28T10:28:18Z
Severity
  • 2.6 (Low) CVSS_V3 - CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
Summary
iPXE TLS tls.c tls_new_ciphertext information exposure
Details

A vulnerability was found in iPXE. It has been declared as problematic. This vulnerability affects the function tls_new_ciphertext of the file src/net/tls.c of the component TLS. The manipulation of the argument pad_len leads to information exposure through discrepancy. The name of the patch is 186306d6199096b7a7c4b4574d4be8cdb8426729. It is recommended to apply a patch to fix this issue. VDB-214054 is the identifier assigned to this vulnerability.

Database specific 
{
    "cna_assigner":  "VulDB",
    "cwe_ids":  [
        "CWE-284"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/4xxx/CVE-2022-4087.json"
}
References

Affected packages

Git / github.com/ipxe/ipxe

Affected ranges

Type
GIT
Repo
https://github.com/ipxe/ipxe
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
186306d6199096b7a7c4b4574d4be8cdb8426729
Database specific
Show details 
{
    "extracted_events":  [
        {
            "range":  [
                {
                    "fixed":  "186306d6199096b7a7c4b4574d4be8cdb8426729"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

Other
secboot-ioactive-20200603
secboot-ioactive-20200925
secboot-ioactive-20221109
v0.*
v0.9.3
v0.9.4
v0.9.5
v0.9.6
v0.9.7
v0.9.8
v0.9.9
v1.*
v1.0.0
v1.0.0-rc1
v1.20.1
v1.21.1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-4087.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "322214656995890130090133993466881292590",
                "185908128249794230501211951056961826190",
                "304727487056794241270195375098923742178",
                "98216274668225381925828606256341135276",
                "327562080019048749201726832190198062486"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2022-4087-b517e4a4",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/ipxe/ipxe/commit/186306d6199096b7a7c4b4574d4be8cdb8426729",
        "target":  {
            "file":  "src/net/tls.c"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "54187389514118907573785396826293857584",
            "length":  2441
        },
        "id":  "CVE-2022-4087-d9163095",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/ipxe/ipxe/commit/186306d6199096b7a7c4b4574d4be8cdb8426729",
        "target":  {
            "file":  "src/net/tls.c",
            "function":  "tls_new_ciphertext"
        }
    }
]
vanir_signatures_modified 
"2026-10-28T10:28:18Z"