CVE-2017-20240

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Source
https://cve.org/CVERecord?id=CVE-2017-20240
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-20240.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2017-20240
Downstream
Related
Published
2026-06-12T14:16:28.660Z
Modified
2026-06-18T04:03:50.952979150Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

Crypt::PBKDF2 versions before 0.261630 for Perl are vulnerable to timing attacks.

These versions use Perl's built-in eq comparison. Discrepancies in timing could be used to guess the underlying derived-key.

References

Affected packages

Git / github.com/arodland/crypt-pbkdf2

Affected ranges

Type
GIT
Repo
https://github.com/arodland/crypt-pbkdf2
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
63bd1c8b74ea5a98c0566da99cdf9c84a87073bf
Database specific 
{
    "source": "DESCRIPTION",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "0.261630"
        }
    ]
}

Affected versions

0.*
0.121930
0.131750
0.133330
0.140890
0.142390
0.150900
0.160410
0.161520
v0.*
v0.101160
v0.101170
v0.110460
v0.110461
v0.112020

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-20240.json"