CVE-2018-1303

high-risk
Published 2018-03-26

A specially crafted HTTP request header could have crashed the Apache HTTP Server prior to version 2.4.30 due to an out of bound read while preparing data to be cached in shared memory. It could be used as a Denial of Service attack against users of mod_cache_socache. The vulnerability is considered as low risk since mod_cache_socache is not widely used, mod_cache_disk is not concerned by this vulnerability.

Do I need to act?

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40.1% chance of exploitation in next 30 days
EPSS score — higher than 60% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Vendors

References (50)

and 30 more references
59
/ 100
high-risk
Severity 26/34 · High
Exploitability 17/34 · Moderate
Exposure 16/34 · Moderate