CVE-2008-0852 EXPLOIT
5.0
MEDIUM · CVSS 2.0 · EPSS 6.2% (pctl 93)
Patch early
A public exploit exists.
Description
freeSSHd 1.2 and earlier allows remote attackers to cause a denial of service (crash) via a SSH2_MSG_NEWKEYS packet to TCP port 22, which triggers a NULL pointer dereference.
Scoring
| CVSS | 5.0 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| EPSS | 6.23% — more likely to be exploited than 93% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2008-02-21 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| freesshd | freesshd |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | freeSSHd 1.2 - 'SSH2_MSG_NEWKEYS' Remote Denial of Service | 2008-02-17 |
References
- http://aluigi.altervista.org/adv/freesshdnull-adv.txt
- http://secunia.com/advisories/29002
- http://www.securityfocus.com/archive/1/488363/100/0/threaded
- http://www.securityfocus.com/bid/27845
- http://www.vupen.com/english/advisories/2008/0591
- http://aluigi.altervista.org/adv/freesshdnull-adv.txt
- http://secunia.com/advisories/29002
- http://www.securityfocus.com/archive/1/488363/100/0/threaded
- http://www.securityfocus.com/bid/27845
- http://www.vupen.com/english/advisories/2008/0591
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