RabidHamster R4 Log Entry sprintf() Buffer Overflow
63Vexday Risk Score
Patch soon. It has a working public exploit.
ssvc Attendcvss 10epss 1.4%
from disclosure to weapon0 days
Published on NVDAug 13
metasploitFeb 9
exploitation probability
1.4%top 30% of all CVEs
observed exploitation
nono source reports it
3 public exploit(s)
RabidHamster R4 v1.25 contains a stack-based buffer overflow vulnerability due to unsafe use of sprintf() when logging malformed HTTP requests. A remote attacker can exploit this flaw by sending a specially crafted URI, resulting in arbitrary code execution under the context of the web server process.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Affected products
RabidHamster · R4 Embedded Serverpublic PoCs found — 3
cve_referencealuigi.altervista.org/adv/r4_1-adv.txtunverifiedcve_referenceraw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/http/rabidhamster_r4_log.rbunverifiedcve_referencewww.exploit-db.com/exploits/18929unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
http://aluigi.altervista.org/adv/r4_1-adv.txthttps://advisories.checkpoint.com/defense/advisories/public/2013/cpai-07-jan405.htmlhttps://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/http/rabidhamster_r4_log.rbhttps://www.exploit-db.com/exploits/18929https://www.rabidhamster.org/R4/download.phphttps://www.vulncheck.com/advisories/rabidhamster-r4-log-entry-buffer-overflow