Cesanta Mongoose TCP Option net_builtin.c handle_opt infinite loop
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 6.9epss 0.6%
exploitation probability
0.6%top 56% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
A weakness has been identified in Cesanta Mongoose up to 7.20. This vulnerability affects the function handle_opt of the file /src/net_builtin.c of the component TCP Option Handler. This manipulation of the argument optlen causes infinite loop. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 7.21 is able to resolve this issue. Upgrading the affected component is advised. VulDB has contacted the vendor early and they confirmed quickly, that this issue got fixed already.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
Cesanta · Mongoosepublic PoCs found — 1
cve_referencegithub.com/dwBruijn/CVEs/blob/main/Mongoose/TCP_opt_dos.mdunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.