Denial of service in GNU Glibc
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2018-19591 |
| CWE-ID | CWE-400 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Glibc Universal components / Libraries / Libraries used by multiple products |
| Vendor | GNU |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Resource exhaustion
EUVDB-ID: #VU16149
Risk: Low
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-2018-19591
CWE-ID:
CWE-400 - Resource exhaustion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to an invalid 'ifname' parameter to __if_nametoindex() in 'sysdeps/unix/sysv/linux/if_index.c'. A remote attacker can invoke a call to the getaddrinfo() function with a 'node' parameter, consume excessive memory and cause the service to crash.
MitigationUpdate to version 2.28.
Vulnerable software versionsGlibc: 2.0 - 2.27
External linkshttp://sourceware.org/ml/libc-alpha/2018-11/msg00698.html
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.
