Vulnerability Details : CVE-2020-14149
In uftpd before 2.12, handle_CWD in ftpcmd.c mishandled the path provided by the user, causing a NULL pointer dereference and denial of service, as demonstrated by a CWD /.. command.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2020-14149
- cpe:2.3:a:troglobit:uftpd:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-14149
0.36%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 68 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-14149
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/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-2020-14149
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-14149
-
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00052.html
[security-announce] openSUSE-SU-2020:0865-1: moderate: Security update f
-
https://github.com/troglobit/uftpd/issues/30
Null Pointer Dereference / Crash · Issue #30 · troglobit/uftpd · GitHubExploit;Third Party Advisory
-
https://bugs.gentoo.org/726308
726308 – (CVE-2020-14149) <net-ftp/uftpd-2.12: Invalid directory with CWD allows denial of service (CVE-2020-14149)Patch;Third Party Advisory
-
https://github.com/troglobit/uftpd/releases/tag/v2.12
Release uftpd v2.12 · troglobit/uftpd · GitHubRelease Notes;Third Party Advisory
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