Denial of service in openssl (Alpine package)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2016-6303 |
| CWE-ID | CWE-122 |
| 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 low risk vulnerability.
1) Denial of service
EUVDB-ID: #VU815
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-2016-6303
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote unauthenticated user to cause DoS conditions on the vulnerable system.
The weakness is caused by integer overflow in the MDC2_Update() function in 'crypto/mdc2/mdc2dgst.c'. By using large ammounts of input data attackers are able to trigger error in input length validation that leads to crash of the affected service.
Successful exploitation of the vulnerability will result in denial of service on the vulnerable system.
Install update from vendor's website.
Vulnerable software versionsopenssl (Alpine package): 1.0.1t-r1
External linkshttp://git.alpinelinux.org/aports/commit/?id=3a3ffbd8e2b0a4b3e1b8fcf62f913a691bb4dae4
http://git.alpinelinux.org/aports/commit/?id=a879e6eaf315a19b45fd424f12f9bf072b168946
http://git.alpinelinux.org/aports/commit/?id=346532027d2b8b8d5cac13a2b7d86820dfaf34b7
http://git.alpinelinux.org/aports/commit/?id=6ea715958d6486933e7cc3ca163e3d0691c9629d
http://git.alpinelinux.org/aports/commit/?id=70b8770d37d514044077c7258c0e6e81aeeee5fe
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.
