---
title: "CVE-2008-7159\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2008-7159?format=md
keywords: index, follow
---

# CVE-2008-7159

Publication date 10 September 2009

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

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## Description

The silc\_asn1\_encoder function in lib/silcasn1/silcasn1\_encode.c in Secure
Internet Live Conferencing (SILC) Toolkit before 1.1.8 allows remote
attackers to overwrite a stack location and possibly execute arbitrary code
via a crafted OID value, related to incorrect use of a %lu format string.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2008-7159?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| silc-client | 9.10 karmic | Not affected |
| 9.04 jaunty | Not affected |
| 8.10 intrepid | Not affected |
| 8.04 LTS hardy | Not affected |
| 6.06 LTS dapper | Not in release |
| silc-server | 9.10 karmic | Not affected |
| 9.04 jaunty | Not affected |
| 8.10 intrepid | Not affected |
| 8.04 LTS hardy | Not affected |
| 6.06 LTS dapper | Not in release |
| silc-toolkit | 9.10 karmic | Not affected |
| 9.04 jaunty | Ignored |
| 8.10 intrepid | Ignored |
| 8.04 LTS hardy | Ignored |
| 6.06 LTS dapper | Ignored end of life |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## Notes

---

### [kees](https://launchpad.net/~kees)

-fstack-protector stops this exploit, reducing it to a DoS

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-7159)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2008-7159)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2008-7159)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2008-7159)

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2008-7159>