PT-2019-7841 · Php · Pecl Http

Hlt99 · Published 2019-09-06 · Updated 2019-09-20 · CVE-2016-7398

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions pecl-http extension versions 3.1.0beta2 and earlier (PHP 7) pecl-http extension versions 2.6.0beta2 and earlier (PHP 5)

Description A type confusion issue in the merge param() function of php http params.c allows attackers to crash PHP and possibly execute arbitrary code via crafted HTTP requests.

Recommendations For pecl-http extension versions 3.1.0beta2 and earlier (PHP 7), update to a version that fixes the issue in the merge param() function. For pecl-http extension versions 2.6.0beta2 and earlier (PHP 5), update to a version that fixes the issue in the merge param() function. As a temporary workaround, consider restricting access to the merge param() function until a patch is available.

Exploit

Fix

Incorrect Type Conversion or Cast

Weakness Enumeration

CWE-704

Related Identifiers

CVE-2016-7398

DLA-1929-1

Affected Products

Pecl Http

References · 17

• 🔥 https://bugs.php.net/bug.php?id=73055&edit=1 · Exploit
• 🔥 https://bugs.php.net/bug.php?id=73055 · Exploit
• https://github.com/m6w6/ext-http/commit/17137d4ab1ce81a2cee0fae842340a344ef3da83 · Patch
• https://osv.dev/vulnerability/DLA-1929-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2016-7398 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2016-7398 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-7398 · Vendor Advisory
• https://security-tracker.debian.org/tracker/source-package/php-pecl-http · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7398 · Security Note
• https://cve.org/CVERecord?id=CVE-2016-7398 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2016-7398 · Security Note
• https://security-tracker.debian.org/tracker/DLA-1929-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2016-7398 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-7398 · Vendor Advisory
• https://t.me/cibsecurity/6586 · Telegram Post