NULL pointer dereference in strongswan (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2017-11185 |
| CWE-ID | CWE-476 |
| 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) NULL pointer dereference
EUVDB-ID: #VU33044
Risk: Medium
CVSSv3.1: 6.5 [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-2017-11185
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trigger denial of service conditions via a crafted RSA signature.
MitigationInstall update from vendor's website.
Vulnerable software versionsstrongswan (Alpine package): 5.1.3-r0 - 5.3.5-r3
External linkshttp://git.alpinelinux.org/aports/commit/?id=2710c46b44644c2f597699e01f238d4e13d88b11
http://git.alpinelinux.org/aports/commit/?id=fae42a57529214cd7ee88738466541ee2f7f3643
http://git.alpinelinux.org/aports/commit/?id=00fb0c7560c6a359c866f0a65415487c19504ffa
http://git.alpinelinux.org/aports/commit/?id=a38ad2c5bb69ca57ab8f0060390bea3e410cebe0
http://git.alpinelinux.org/aports/commit/?id=a4e92d627f1b09c04531c883313a2d4a61fad83d
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.
