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cvelistWDC PSIRTCVELIST:CVE-2022-23002
HistoryJul 29, 2022 - 6:52 p.m.

CVE-2022-23002 Point Compression/Decompression of NIST P-256 points with X coordinate of zero

2022-07-2918:52:44
CWE-703
WDC PSIRT
www.cve.org
3
cve-2022-23002
nist p-256
compression/decompression
error
denial of service

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

AI Score

5.6

Confidence

High

EPSS

0.001

Percentile

34.4%

When compressing or decompressing a point on the NIST P-256 elliptic curve with an X coordinate of zero, the resulting output is not properly reduced modulo the P-256 field prime and is invalid. The resulting output will cause an error when used in other operations. This may be leveraged by an attacker to cause an error scenario in applications which use the library, resulting in a limited denial of service for an individual user. The scope of impact cannot extend to other components.

CNA Affected

[
  {
    "product": "Sweet B Library",
    "vendor": "Western Digital",
    "versions": [
      {
        "lessThan": "v2",
        "status": "affected",
        "version": "Sweet B Library",
        "versionType": "custom"
      }
    ]
  }
]

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

AI Score

5.6

Confidence

High

EPSS

0.001

Percentile

34.4%

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