CVE-2022-4304

A timing based side channel exists in the OpenSSL RSA Decryption implementation which could be sufficient to recover a plaintext across a network in a Bleichenbacher style attack. To achieve a successful decryption an attacker would have to be able to send a very large number of trial messages for decryption. The vulnerability affects all RSA padding modes: PKCS#1 v1.5, RSA-OEAP and RSASVE.

For example, in a TLS connection, RSA is commonly used by a client to send an encrypted pre-master secret to the server. An attacker that had observed a genuine connection between a client and a server could use this flaw to send trial messages to the server and record the time taken to process them. After a sufficiently large number of messages the attacker could recover the pre-master secret used for the original connection and thus be able to decrypt the application data sent over that connection.

References

Affected packages

Git / github.com/openssl/openssl

Affected ranges

Type

GIT

Repo

https://github.com/openssl/openssl

Events

Introduced

e818b74be2170fbe957a07b0da4401c2b694b3b8

Fixed

e818b74be2170fbe957a07b0da4401c2b694b3b8

Introduced

e04bd3433fd84e1861bf258ea37928d9845e6a86

Fixed

e04bd3433fd84e1861bf258ea37928d9845e6a86

Introduced

89cd17a031e022211684eb7eb41190cf1910f9fa

Fixed

31157bc0b46e04227b8468d3e6915e4d0332777c

Introduced

Fixed

a7e992847de83aa36be0c399c89db3fb827b0be2

Database specific

{
    "versions": [
        {
            "introduced": "1.0.2"
        },
        {
            "fixed": "1.0.2zg"
        },
        {
            "introduced": "1.1.1"
        },
        {
            "fixed": "1.1.1t"
        },
        {
            "introduced": "3.0.0"
        },
        {
            "fixed": "3.0.8"
        },
        {
            "introduced": "0"
        },
        {
            "fixed": "3.2.1"
        }
    ]
}

Affected versions

Other

OpenSSL_1_0_2u

OpenSSL_1_1_1w

openssl-3.*

openssl-3.0.0

openssl-3.0.1

openssl-3.0.2

openssl-3.0.3

openssl-3.0.4

openssl-3.0.5

openssl-3.0.6

openssl-3.0.7

Database specific

unresolved_ranges

[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "fixed": "7.2.40"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "2.7.0"
            },
            {
                "fixed": "2.7.11"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "2.8.0"
            },
            {
                "fixed": "3.7.34"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "3.8.0"
            },
            {
                "fixed": "3.11.22"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "4.0.0"
            },
            {
                "fixed": "4.3.16"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "4.4.0"
            },
            {
                "fixed": "4.6.3"
            }
        ]
    }
]

vanir_signatures

[
    {
        "signature_type": "Line",
        "deprecated": false,
        "id": "CVE-2022-4304-c377fa22",
        "target": {
            "file": "include/openssl/opensslv.h"
        },
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "28170854778703993674264004058177114599",
                "73132526844288570625317440636111911761",
                "177405411499435185068645597737938634778",
                "224809958623850711330610094965797758930",
                "295554444428855106393106961197201359586"
            ]
        },
        "signature_version": "v1",
        "source": "https://github.com/openssl/openssl/commit/e04bd3433fd84e1861bf258ea37928d9845e6a86"
    },
    {
        "signature_type": "Line",
        "deprecated": false,
        "id": "CVE-2022-4304-e051451f",
        "target": {
            "file": "crypto/opensslv.h"
        },
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "251633914150035957322733061977107206211",
                "338514574181828579838011565939158652696",
                "76638288692106140328510055542557597351",
                "142922657400765574308962710386922248045",
                "71649992455794854055653842592139575350",
                "65527166711110472566013424527579064967",
                "253196866009476977787139000804413898733",
                "172177136897997206866313011107384691461"
            ]
        },
        "signature_version": "v1",
        "source": "https://github.com/openssl/openssl/commit/e818b74be2170fbe957a07b0da4401c2b694b3b8"
    }
]

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-4304.json"