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HIGH

CVE-2018-1303

CVSS v3

7.5

HIGH

EPSS Score

37.7 %

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

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.

Technical details

Published
2018-03-26

Frequently asked questions

What is CVE-2018-1303?

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.

Is CVE-2018-1303 actively exploited?

Active exploitation of CVE-2018-1303 has not been confirmed. The EPSS score is 37.7%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-1303?

CVE-2018-1303 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2018-1303 affecting your environment?

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