Impact: Low Public Date: 2019-02-26 CWE: CWE-674 Bugzilla: 1684374: CVE-2019-9192 glibc: uncontrolled recursion in function check_dst_limits_calc_pos_1 in posix/regexec.c ** DISPUTED ** 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.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2019-9192 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 2.8 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L |
| Attack Vector | Local |
| Attack Complexity | Low |
| Privileges Required | Low |
| User Interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | None |
| Availability Impact | Low |
| Platform | Package | State |
|---|---|---|
| Red Hat Virtualization 4 | glibc | Under investigation |
| Red Hat Enterprise Linux 7 | glibc | Under investigation |
| Red Hat Enterprise Linux 6 | glibc | Under investigation |
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