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CVE-2019-25005

Good to know:

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Date: December 31, 2020

An issue was discovered in the chacha20 crate before 0.2.3 for Rust. A ChaCha20 counter overflow makes it easier for attackers to determine plaintext.

Language: C++

Severity Score

Related Resources (5)

https://github.com/RustCrypto/stream-ciphers/tree/master/chacha20
https://github.com/RustCrypto/stream-ciphers/pull/64
https://nvd.nist.gov/vuln/detail/CVE-2019-25005
https://rustsec.org/advisories/RUSTSEC-2019-0029.html
https://www.mend.io/vulnerability-database/CVE-2019-25005

Severity Score

Weakness Type (CWE)

Integer Overflow or Wraparound

CWE-190

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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