High severity · published Feb 26, 2019
CVE-2019-9192
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…
7.5
CVSS
2.4%
EPSS
No
On KEV
Description
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
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.4% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GL
Glibc · Gnu
through 2.29 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-9192
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-9192
Exploit
https://sourceware.org/bugzilla/show_bug.cgi?id=24269
support.f5.com
https://support.f5.com/csp/article/K26346590?utm_source=f5support&%3Butm_medium=RSS
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