CVE-2009-1789 EXPLOIT
4.3
MEDIUM · CVSS 2.0 · EPSS 8.5% (pctl 95)
Patch early
A public exploit exists.
Description
mod/server.mod/servmsg.c in Eggheads Eggdrop and Windrop 1.6.19 and earlier allows remote attackers to cause a denial of service (crash) via a crafted PRIVMSG that causes an empty string to trigger a negative string length copy. NOTE: this issue exists because of an incorrect fix for CVE-2007-2807.
Scoring
| CVSS | 4.3 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:M/Au:N/C:N/I:N/A:P |
| EPSS | 8.49% — more likely to be exploited than 95% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2009-05-26 |
| Last modified | 2026-06-16 |
Affected (3)
| Vendor | Product |
|---|---|
| eggheads | eggdrop |
| eggheads | eggdrop irc bot |
| philip moore | windrop |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Eggdrop/Windrop 1.6.19 - ctcpbuf Remote Crash | 2009-05-15 |
References
- http://archives.neohapsis.com/archives/fulldisclosure/2009-05/0129.html
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=528778
- http://cvs.eggheads.org/viewvc/viewvc.cgi/eggdrop1.6/doc/Changes1.6?revision=1.20&view=markup
- http://osvdb.org/54460
- http://secunia.com/advisories/35104
- http://secunia.com/advisories/35158
- http://secunia.com/advisories/35690
- http://www.debian.org/security/2009/dsa-1826
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:126
- http://www.securityfocus.com/archive/1/503574
- http://www.securityfocus.com/bid/34985
- http://www.vupen.com/english/advisories/2009/1340
- https://exchange.xforce.ibmcloud.com/vulnerabilities/50547
- https://www.exploit-db.com/exploits/8695
- https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01333.html
- https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01337.html
- http://archives.neohapsis.com/archives/fulldisclosure/2009-05/0129.html
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=528778
- http://cvs.eggheads.org/viewvc/viewvc.cgi/eggdrop1.6/doc/Changes1.6?revision=1.20&view=markup
- http://osvdb.org/54460
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