Information disclosure in Apache Http Server
CVE-2022-30556
Apache HTTP Server 2.4.53 and earlier may return lengths to applications calling r:wsread() that point past the end of the storage allocated for the buffer.
Vulnerability class: Information Disclosure
EPSS: 0.047 (90.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Apache Http_server
- Apache Software Foundation Http Server — versions unspecified
- Netapp Clustered_data_ontap
- Fedoraproject Fedora — versions 35, 36
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@apache.org (x_refsource_MISC, Vendor Advisory)
- security@apache.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- security@apache.org (x_refsource_CONFIRM, Third Party Advisory)
- security@apache.org (x_refsource_FEDORA, vendor-advisory, Third Party Advisory)
- security@apache.org (x_refsource_FEDORA, vendor-advisory, Third Party Advisory)
- security@apache.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
Frequently asked questions
- What is CVE-2022-30556?
- CVE-2022-30556 is a high-severity vulnerability in Apache Http Server, classified under Information Disclosure. CVSS score: 7.5/10. Published 2022-06-09.
- How severe is CVE-2022-30556?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-30556 known to be exploited?
- 11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.