CVE-2018-20783 is a buffer over-read vulnerability affecting PHP versions prior to 5.6.39, 7.0.33, 7.1.25, and 7.2.13, specifically within PHAR reading functions when parsing .phar files. This flaw allows an unauthenticated attacker to read allocated or unallocated memory, impacting products like openSUSE Leap and PHP. Rated with a CVSS score of 7.5 (HIGH), the vulnerability has a network attack vector and low attack complexity, potentially leading to high confidentiality impact without affecting integrity or availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.6.39CPE matchmatch criteria | cpe:2.3:a:php:php:*:*:*:*:*:*:*:* | ||
>= 7.0.0, < 7.0.33CPE matchmatch criteria | cpe:2.3:a:php:php:*:*:*:*:*:*:*:* | ||
>= 7.1.0, < 7.1.25CPE matchmatch criteria | cpe:2.3:a:php:php:*:*:*:*:*:*:*:* | ||
>= 7.2.0, < 7.2.13CPE matchmatch criteria | cpe:2.3:a:php:php:*:*:*:*:*:*:*:* | ||
42.3CPE matchmatch criteria | cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.