GHSA-j2r6-2m5c-vgh5

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    GHSA-j2r6-2m5c-vgh5

    Published: 25 Aug 2021Last Modified: 8 Nov 2023

    Summary: Counter overflow in chacha20

    Details: 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.

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

    Affected packages

    Package

    Name: chacha20

    Purl: pkg:cargo/chacha20

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -0.2.3

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    GHSA-j2r6-2m5c-vgh5 | CVE-DB