Vulnerability Details : CVE-2018-16789
Potential exploit
libhttp/url.c in shellinabox through 2.20 has an implementation flaw in the HTTP request parsing logic. By sending a crafted multipart/form-data HTTP request, an attacker could exploit this to force shellinaboxd into an infinite loop, exhausting available CPU resources and taking the service down.
Products affected by CVE-2018-16789
- cpe:2.3:a:shellinabox_project:shellinabox:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-16789
0.67%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 70 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-16789
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2018-16789
-
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-16789
-
https://code.google.com/archive/p/shellinabox/issues
Google Code Archive - Long-term storage for Google Code Project Hosting.Third Party Advisory
-
http://seclists.org/fulldisclosure/2018/Oct/50
Full Disclosure: CVE-2018-16789: denial of service in shellinaboxExploit;Mailing List;Patch;Third Party Advisory
-
http://packetstormsecurity.com/files/149978/Shell-In-A-Box-2.2.0-Denial-Of-Service.html
Shell In A Box 2.2.0 Denial Of Service ≈ Packet StormExploit;Patch;Third Party Advisory;VDB Entry
-
https://github.com/shellinabox/shellinabox/commit/4f0ecc31ac6f985e0dd3f5a52cbfc0e9251f6361
Rolling code for version 2.21 · shellinabox/shellinabox@4f0ecc3 · GitHubPatch;Third Party Advisory
Jump to