Missing CRL sanity check in openssl (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2016-7052 |
| CWE-ID | CWE-476 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
openssl (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) Missing CRL sanity check
EUVDB-ID: #VU660
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2016-7052
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to incorrect implementation of CRL sanity check in version 1.0.2i. Any attempt to use CRLs results in null pointe exception and crashes the process.
MitigationInstall update from vendor's website.
Vulnerable software versionsopenssl (Alpine package): 1.0.2i-r0
External linkshttp://git.alpinelinux.org/aports/commit/?id=4376edf0014e6a665cd31b505e9743b39ee757f7
http://git.alpinelinux.org/aports/commit/?id=5cbc7dc8d322823675050b8893daf42036a3c714
http://git.alpinelinux.org/aports/commit/?id=3b1b395e37598b48dcec00a19a03f122646f1755
http://git.alpinelinux.org/aports/commit/?id=5d5a83f5d395472559136570740c0e2163652526
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.
