Resource management error in apache2 (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2018-11763 |
| CWE-ID | CWE-399 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
apache2 (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Resource management error
EUVDB-ID: #VU14913
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-2018-11763
CWE-ID:
CWE-399 - Resource Management Errors
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect handling of large SETTINGS frames in HTTP/2 connections. A remote attacker can repeatedly send large SETTINGS frames within an established HTTP/2 connection and consume all available threads and CPU time.
Successful exploitation of the vulnerability may allow an attacker to perform a denial of service (DoS) attack.
MitigationInstall update from vendor's website.
Vulnerable software versionsapache2 (Alpine package): 2.4.23-r0 - 2.4.34-r1
External linkshttp://git.alpinelinux.org/aports/commit/?id=5e5b0f62c33e4bdae00d4d44fbf447c6086985aa
http://git.alpinelinux.org/aports/commit/?id=cd9513a22803b7768db28a97e5bcf9f65cceb9d2
http://git.alpinelinux.org/aports/commit/?id=ea785d01e00a8c2a6c9b8b35535c5e3e5da1178b
http://git.alpinelinux.org/aports/commit/?id=f6d1356e6015d7539e9c147abbd2e13d4e2e0251
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.
