• Bug#1109439: libcatalyst-plugin-session-perl: CVE-2025-40924

    From Salvatore Bonaccorso@21:1/5 to All on Fri Jul 18 00:00:01 2025
    Source: libcatalyst-plugin-session-perl
    Version: 0.43-1
    Severity: important
    Tags: security upstream
    Forwarded: https://github.com/perl-catalyst/Catalyst-Plugin-Session/pull/5 X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>

    Hi,

    The following vulnerability was published for libcatalyst-plugin-session-perl.

    CVE-2025-40924[0]:
    | Catalyst::Plugin::Session before version 0.44 for Perl generates
    | session ids insecurely. The session id is generated from a (usually
    | SHA-1) hash of a simple counter, the epoch time, the built-in rand
    | function, the PID and the current Catalyst context. This information
    | is of low entropy. The PID will come from a small set of numbers,
    | and the epoch time may be guessed, if it is not leaked from the HTTP
    | Date header. The built-in rand function is unsuitable for
    | cryptographic usage. Predicable session ids could allow an attacker
    | to gain access to systems.


    If you fix the vulnerability please also make sure to include the
    CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

    For further information see:

    [0] https://security-tracker.debian.org/tracker/CVE-2025-40924
    https://www.cve.org/CVERecord?id=CVE-2025-40924
    [1] https://github.com/perl-catalyst/Catalyst-Plugin-Session/pull/5

    Please adjust the affected versions in the BTS as needed.

    Regards,
    Salvatore

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