Vulnerability Details : CVE-2019-9891
Potential exploit
The function getopt_simple as described in Advanced Bash Scripting Guide (ISBN 978-1435752184) allows privilege escalation and execution of commands when used in a shell script called, for example, via sudo.
Vulnerability category: Gain privilege
Products affected by CVE-2019-9891
- cpe:2.3:a:tldp:advanced_bash-scripting_guide:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-9891
0.74%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 71 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-9891
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
10.0
|
HIGH | AV:N/AC:L/Au:N/C:C/I:C/A:C |
10.0
|
10.0
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2019-9891
-
The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-9891
-
https://www.redteam-pentesting.de/advisories/rt-sa-2019-007
RedTeam Pentesting GmbH - Code Execution via Insecure Shell Function getopt_simpleExploit;Third Party Advisory
Jump to