Vulnerability Details : CVE-2017-6967
xrdp 0.9.1 calls the PAM function auth_start_session() in an incorrect location, leading to PAM session modules not being properly initialized, with a potential consequence of incorrect configurations or elevation of privileges, aka a pam_limits.so bypass.
Vulnerability category: BypassGain privilege
Products affected by CVE-2017-6967
- cpe:2.3:a:neutrinolabs:xrdp:0.9.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-6967
0.19%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 55 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-6967
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
7.3
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
3.9
|
3.4
|
NIST |
CWE ids for CVE-2017-6967
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-6967
-
https://github.com/neutrinolabs/xrdp/pull/694
sesman: auth session before fork by jsorg71 · Pull Request #694 · neutrinolabs/xrdp · GitHubThird Party Advisory
-
https://github.com/neutrinolabs/xrdp/issues/350
Homedir gets not correctly created at first login · Issue #350 · neutrinolabs/xrdp · GitHubThird Party Advisory
-
https://bugs.launchpad.net/ubuntu/+source/xrdp/+bug/1672742
Bug #1672742 “pam session does not work in xrdp” : Bugs : xrdp package : UbuntuThird Party Advisory
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