Protection Mechanism Failure in openssl (Alpine package)

1) Protection Mechanism Failure

EUVDB-ID: #VU21044

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-1549

CWE-ID: CWE-693 - Protection Mechanism Failure

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass certain security restrictions.

The vulnerability exists due to OpenSSL does not use by default a rewritten random number generator (RNG) in the event of a fork() system call, resulting in the child and parent processes share the same RNG state.

Mitigation

Install update from vendor's website.

Vulnerable software versions

openssl (Alpine package): 1.1.1c-r0 - 1.1.1b-r1-r0

CPE2.3

• cpe:2.3:a:alpine:openssl_alpine_package:1.1.1c-r0:*:*:*:*:alpine_linux:*:3.9
• cpe:2.3:a:alpine:openssl_alpine_package:1.1.1c-r1:*:*:*:*:alpine_linux:*:3.10
• cpe:2.3:a:alpine:openssl_alpine_package:1.1.1a-r0:*:*:*:*:alpine_linux:*:3.8

External links

https://git.alpinelinux.org/aports/commit/?id=1e697147022325620c2e31c4417460f09c9df59d
https://git.alpinelinux.org/aports/commit/?id=ffc9c8f6c5e6f3428ad97cae38f0037d4f0728c6
https://git.alpinelinux.org/aports/commit/?id=6bf646bbc74a79f821c428aa7bfc0a9b4a931159
https://git.alpinelinux.org/aports/commit/?id=02764f1bda32c4feca91b9bdc3b7870d637ff8a2
https://git.alpinelinux.org/aports/commit/?id=09a199deeac384bd1f22bb26c2ec5b3bd60257a2
https://git.alpinelinux.org/aports/commit/?id=95e4899bd4d379e6dde69de81fb0506e00322dec

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.