Vulnerability Details : CVE-2019-9192
Potential exploit
In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demonstrated by '(|)(\\1\\1)*' in grep, a different issue than CVE-2018-20796. NOTE: the software maintainer disputes that this is a vulnerability because the behavior occurs only with a crafted pattern
Products affected by CVE-2019-9192
- cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-9192
0.16%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 34 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-9192
| 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:3.0/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-2019-9192
-
The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-9192
-
https://support.f5.com/csp/article/K26346590?utm_source=f5support&%3Butm_medium=RSS
Article Detail
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https://sourceware.org/bugzilla/show_bug.cgi?id=24269
24269 – (CVE-2018-20796) regexec: Infinite recursion in check_dst_limits_calc_pos_1Exploit;Issue Tracking;Third Party Advisory
-
https://support.f5.com/csp/article/K26346590?utm_source=f5support&utm_medium=RSS
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