CVE-2003-0795 EXPLOIT
5.0
MEDIUM · CVSS 2.0 · EPSS 8.4% (pctl 95)
Patch early
A public exploit exists.
Description
The vty layer in Quagga before 0.96.4, and Zebra 0.93b and earlier, does not verify that sub-negotiation is taking place when processing the SE marker, which allows remote attackers to cause a denial of service (crash) via a malformed telnet command to the telnet CLI port, which may trigger a null dereference.
Scoring
| CVSS | 5.0 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| EPSS | 8.43% — more likely to be exploited than 95% of all CVEs |
| Weakness | CWE-20 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2003-12-15 |
| Last modified | 2026-06-16 |
Affected (3)
| Vendor | Product |
|---|---|
| gnu | zebra |
| quagga | quagga |
| sgi | propack |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | GNU Zebra 0.9x / Quagga 0.96 - Remote Denial of Service | 2003-11-12 |
References
- http://marc.info/?l=bugtraq&m=106883387304266&w=2
- http://secunia.com/advisories/10563
- http://www.debian.org/security/2004/dsa-415
- http://www.redhat.com/support/errata/RHSA-2003-305.html
- http://www.redhat.com/support/errata/RHSA-2003-307.html
- http://marc.info/?l=bugtraq&m=106883387304266&w=2
- http://secunia.com/advisories/10563
- http://www.debian.org/security/2004/dsa-415
- http://www.redhat.com/support/errata/RHSA-2003-305.html
- http://www.redhat.com/support/errata/RHSA-2003-307.html
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