Resource exhaustion in K.Kosako Oniguruma
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2019-16163 |
| CWE-ID | CWE-400 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Oniguruma Universal components / Libraries / Libraries used by multiple products |
| Vendor | K.Kosako |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Resource exhaustion
EUVDB-ID: #VU30789
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-16163
CWE-ID:
CWE-400 - Resource exhaustion
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Oniguruma before 6.9.3 allows Stack Exhaustion in regcomp.c because of recursion in regparse.c.
MitigationInstall update from vendor's website.
Vulnerable software versionsOniguruma: 6.9.0 - 6.9.2
External linkshttp://github.com/kkos/oniguruma/commit/4097828d7cc87589864fecf452f2cd46c5f37180
http://github.com/kkos/oniguruma/compare/v6.9.2...v6.9.3
http://github.com/kkos/oniguruma/issues/147
http://lists.debian.org/debian-lts-announce/2019/09/msg00010.html
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NWOWZZNFSAWM3BUTQNAE3PD44A6JU4KE/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZW47MSFZ6WYOAOFXHBDGU4LYACFRKC2Y/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
