CVE-2024-27354

    Dashboard / Vulnerabilities / CVE-2024-27354

    CVE-2024-27354

    Published: 1 Mar 2024Last Modified: 12 Aug 2026

    Summary:

    Details: An issue was discovered in phpseclib 1.x before 1.0.23, 2.x before 2.0.47, and 3.x before 3.0.36. An attacker can construct a malformed certificate containing an extremely large prime to cause a denial of service (CPU consumption for an isPrime primality check). NOTE: this issue was introduced when attempting to fix CVE-2023-27560.

    References: https://gist.github.com/katzj/ee72f3c2a00590812b2ea3c0c8890e0b, https://github.com/phpseclib/phpseclib/blob/master/phpseclib/Math/PrimeField.php#L49, https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/27xxx/CVE-2024-27354.json, https://nvd.nist.gov/vuln/detail/CVE-2024-27354, https://lists.debian.org/debian-lts-announce/2024/03/msg00002.html, https://lists.debian.org/debian-lts-announce/2024/03/msg00003.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 844134df95e42b93ed5506a2d11ca5accda99412
    Fixed -86990d518f4434719271fadd112d34b20208f3a9

    Affected versions

    2.0.46
    2.0.45
    2.0.44
    2.0.43
    2.0.42
    2.0.41
    2.0.40
    2.0.39
    2.0.38
    2.0.37
    2.0.36
    2.0.35
    2.0.34
    2.0.33
    2.0.32
    2.0.31
    2.0.30
    2.0.29
    2.0.28
    2.0.27
    2.0.26
    2.0.25
    2.0.24
    2.0.23
    2.0.22
    2.0.21
    2.0.20
    2.0.19
    2.0.18
    2.0.17
    2.0.16
    2.0.15
    2.0.14
    2.0.13
    2.0.12
    2.0.11
    2.0.10
    2.0.9
    2.0.7
    2.0.6
    2.0.5
    2.0.4
    2.0.3
    2.0.0

    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
    CVE-2024-27354 | CVE-DB