CVE-2018-7584 Memory corruption in n/a
A stack-based buffer under-read in PHP's HTTP response parsing allows attackers to cause denial of service or potentially execute arbitrary code.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-7584?
CVE-2018-7584 is a critical memory corruption vulnerability in Canonical Ubuntu Linux, published on 1 Mar 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In PHP through 5.6.33, 7.0.x before 7.0.28, 7.1.x through 7.1.14, and 7.2.x through 7.2.2, there is a stack-based buffer under-read while parsing an HTTP response in the php_stream_url_wrap_http_ex function in ext/standard/http_fopen_wrapper.c. This subsequently results in copying a large string.
Weakness: CWE-119
Which versions are affected by CVE-2018-7584?
It affects 3 products.
Linux distribution packages (6)
php5 SUSE:Linux Enterprise Module for Web and Scripting 12 | All versions | 5.5.14-109.24.1 |
php7 SUSE:Linux Enterprise Module for Web and Scripting 12 | All versions | 7.0.7-50.32.1 |
php5 SUSE:Linux Enterprise Software Development Kit 12 SP2 | All versions | 5.5.14-109.24.1 |
php7 SUSE:Linux Enterprise Software Development Kit 12 SP2 | All versions | 7.0.7-50.32.1 |
php5 SUSE:Linux Enterprise Software Development Kit 12 SP3 | All versions | 5.5.14-109.24.1 |
php7 SUSE:Linux Enterprise Software Development Kit 12 SP3 | All versions | 7.0.7-50.32.1 |
Products include Canonical Ubuntu Linux, Debian Debian Linux, Php Php.
How do I fix CVE-2018-7584?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-7584 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-7584 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as ALPINE-CVE-2018-7584, DLA-1326-1, GHSA-w5h8-6928-2j67, MGASA-2018-0167, SUSE-SU-2018:0646-1, SUSE-SU-2018:0717-1 and 1 more.