CVE-2022-48623 — The Cpanel::JSON::XS package before 4

The Cpanel::JSON::XS package before 4.33 for Perl performs out-of-bounds accesses in a way that allows attackers to obtain sensitive information or cause a denial of service.

01What is this vulnerability?

The Cpanel::JSON::XS package before 4.33 for Perl performs out-of-bounds accesses in a way that allows attackers to obtain sensitive information or cause a denial of service.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2024-02-13T00:00:00.000Z
• Last modified: 2024-08-19T16:01:50.905Z

09References

• metacpan.org — https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.33/changes
• github.com — https://github.com/briandfoy/cpan-security-advisory/blob/9374f98bef51e1ae887f293…
• github.com — https://github.com/rurban/Cpanel-JSON-XS/issues/208
• github.com — https://github.com/rurban/Cpanel-JSON-XS/commit/41f32396eee9395a40f9ed80145c3762…