// For flags

CVE-2022-23001

Sweet-B Library: Point compress/decompress using the wrong bit for sign

Severity Score

5.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

When compressing or decompressing elliptic curve points using the Sweet B library, an incorrect choice of sign bit is used. An attacker with user level privileges and no other user's assistance can exploit this vulnerability with only knowledge of the public key and the library. The resulting output may cause an error when used in other operations; for instance, verification of a valid signature under a decompressed public key may fail. 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.

Cuando son comprimidos o descomprimidos puntos de curvas elípticas usando la biblioteca Sweet B, es usada una elección incorrecta del bit de signo. Un atacante con privilegios de nivel de usuario y sin ayuda de otros usuarios puede explotar esta vulnerabilidad con sólo conocer la clave pública y la biblioteca. La salida resultante puede causar un error cuando es usada en otras operaciones; por ejemplo, la verificación de una firma válida bajo una clave pública descomprimida puede fallar. Esto puede ser aprovechado por un atacante para causar un escenario de error en las aplicaciones que usan la biblioteca, resultando en una denegación de servicio limitada para un usuario individual. El alcance del impacto no puede extenderse a otros componentes

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-01-10 CVE Reserved
  • 2022-07-29 CVE Published
  • 2024-02-19 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-682: Incorrect Calculation
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Westerndigital
Search vendor "Westerndigital"
 Sweet B
Search vendor "Westerndigital" for product "Sweet B"
 1
Search vendor "Westerndigital" for product "Sweet B" and version "1"
-
Affected