Vulnerability in PHP
CVE-2016-1904
Multiple integer overflows in ext/standard/exec.c in PHP 7.x before 7.0.2 allow remote attackers to cause a denial of service or possibly have unspecified other impact via a long string to the (1) php_escape_shell_cmd or (2) php_escape_shell_arg function, leading to a heap-based buffer overflow.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.027 (85.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000
Affected products
- PHP — versions 7.0.0, 7.0.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.php.net/ChangeLog-7.php (Vendor Advisory)
- github.com/php/php-src/commit/2871c70efaaaa0f102557a17c727fd4d5204dd4b
- www.openwall.com/lists/oss-security/2016/01/14/8 (mailing-list)
- bugs.php.net/bug.php (Exploit)
- www.securitytracker.com/id/1034608 (vdb-entry)
Frequently asked questions
- What is CVE-2016-1904?
- CVE-2016-1904 is a high-severity vulnerability in PHP, classified under CWE-189. CVSS score: 7.3/10. Published 2016-01-19.
- How severe is CVE-2016-1904?
- High severity. CVSS v3 base score is 7.3 out of 10.
- Is CVE-2016-1904 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.