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CVE-2018-1303

UnknownEPSS 70.78%

Last modified

CVE-2018-1303 is a vulnerability of currently unknown severity. 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. EPSS estimates a 70.78% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
70.78%

99.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ApacheHttp Server<= 2.4.29
DebianDebian Linux8.0
DebianDebian Linux9.0
CanonicalUbuntu Linux14.04
CanonicalUbuntu Linux16.04
CanonicalUbuntu Linux17.10
CanonicalUbuntu Linux18.04
NetappSantricity Cloud ConnectorAll versions
NetappStorage Automation StoreAll versions
NetappStoragegridAll versions
NetappClustered Data OntapAll versions

References

Timeline

Published
Last Modified
Status
Modified

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.
How severe is CVE-2018-1303?
Severity scoring for CVE-2018-1303 is pending analysis. The EPSS model estimates a 70.78% probability of exploitation in the next 30 days.
How do I fix CVE-2018-1303?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-1303?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST