Buffer overflow in strongswan (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2018-17540 |
| CWE-ID | CWE-119 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
strongswan (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) Buffer overflow
EUVDB-ID: #VU15165
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-2018-17540
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform denial of service attacks.
The vulnerability exists due to a boundary error when processing certificates within gmp plugin. A remote attacker can create a specially crafted certificate, pass it to the affected application and trigger application crash.
MitigationInstall update from vendor's website.
Vulnerable software versionsstrongswan (Alpine package): 4.6.1-r0 - 5.5.3-r1
strongswan (Alpine package):
External linkshttp://git.alpinelinux.org/aports/commit/?id=1cb8f327fe893b5f83d52d1e8686ca8085a15412
http://git.alpinelinux.org/aports/commit/?id=d01a6eb23f238d10cc1b2a2e3cbfd15ca2f4b3c2
http://git.alpinelinux.org/aports/commit/?id=5bf14e0f89d033ac01ad2d80fb49921dd7d35a2f
http://git.alpinelinux.org/aports/commit/?id=e043f4360d1a4acefce7229bd7836a3db968e86c
http://git.alpinelinux.org/aports/commit/?id=2103efcf25f1ef29921454f1fb1094ed3f86c33a
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.
