CVE-2023-25076

A buffer overflow vulnerability exists in the handling of wildcard backend hosts of SNIProxy 0.6.0-2 and the master branch (commit: 822bb80df9b7b345cc9eba55df74a07b498819ba). A specially crafted HTTP or TLS packet can lead to arbitrary code execution. An attacker could send a malicious packet to trigger this vulnerability.

References

Affected packages

Git / github.com/dlundquist/sniproxy

Affected ranges

Type

GIT

Repo

https://github.com/dlundquist/sniproxy

Events

Introduced

Last affected

f8d9a433fe22ab2fa15c00179048ab02ae23d583

Fixed

f8d9a433fe22ab2fa15c00179048ab02ae23d583

Database specific

{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "0.6.1"
        }
    ]
}

Affected versions

0.*

0.3

0.3.1

0.3.2

0.3.3

0.3.4

0.3.5

0.3.6

0.4.0

0.5.0

0.6.0

0.6.1

Database specific

vanir_signatures_modified

"2026-04-12T06:21:06Z"

vanir_signatures

[
    {
        "id": "CVE-2023-25076-485dc03c",
        "target": {
            "file": "src/address.c"
        },
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "138289543668888041713044531663319349476",
                "212909470280196749271392918238573764830",
                "263280346834296647149550233130201968128",
                "192356876502373812635224961273018974547"
            ],
            "threshold": 0.9
        },
        "signature_type": "Line",
        "source": "https://github.com/dlundquist/sniproxy/commit/f8d9a433fe22ab2fa15c00179048ab02ae23d583",
        "signature_version": "v1"
    },
    {
        "id": "CVE-2023-25076-a3681126",
        "target": {
            "file": "src/address.c",
            "function": "new_address"
        },
        "deprecated": false,
        "signature_type": "Function",
        "digest": {
            "function_hash": "11457737832399041380681785089784245979",
            "length": 2408.0
        },
        "source": "https://github.com/dlundquist/sniproxy/commit/f8d9a433fe22ab2fa15c00179048ab02ae23d583",
        "signature_version": "v1"
    }
]

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-25076.json"

unresolved_ranges

[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "0.6.0-2"
            }
        ]
    }
]