CVE-2006-5556 EXPLOIT
4.6
MEDIUM · CVSS 2.0 · EPSS 1.3% (pctl 70)
Patch early
A public exploit exists.
Description
Buffer overflow in the localtime_r function, and certain other functions, in libc in HP-UX B.11.11 and possibly other versions allows local users to execute arbitrary code via a long TZ environment variable.
Scoring
| CVSS | 4.6 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:L/AC:L/Au:N/C:P/I:P/A:P |
| EPSS | 1.33% — more likely to be exploited than 70% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2006-10-27 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| hp | hp-ux |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | HP-UX 11i - 'LIBC TZ' Enviroment Variable Privilege Escalation | 2006-10-24 |
References
- http://blogs.23.nu/prdelka/stories/13144/
- http://www.securityfocus.com/bid/20718
- https://exchange.xforce.ibmcloud.com/vulnerabilities/29777
- https://www.exploit-db.com/exploits/2636
- http://blogs.23.nu/prdelka/stories/13144/
- http://www.securityfocus.com/bid/20718
- https://exchange.xforce.ibmcloud.com/vulnerabilities/29777
- https://www.exploit-db.com/exploits/2636
→ the Explorer · watch your stack · NVD