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CVE-2018-1303

Publication date 26 March 2018

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

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.

Status

Package Ubuntu Release Status
apache2 18.04 LTS bionic
Fixed 2.4.29-1ubuntu4.1
17.10 artful
Fixed 2.4.27-2ubuntu4.1
16.04 LTS xenial
Fixed 2.4.18-2ubuntu3.8
14.04 LTS trusty
Fixed 2.4.7-1ubuntu4.20

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
apache2

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3627-1
    • Apache HTTP Server vulnerabilities
    • 19 April 2018
    • USN-3627-2
    • Apache HTTP Server vulnerabilities
    • 30 April 2018

Other references