SB2019091165 - Protection Mechanism Failure in openssl (Alpine package)
Published: September 11, 2019
Security Bulletin ID
SB2019091165
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Protection Mechanism Failure (CVE-ID: CVE-2019-1549)
CWE-ID: CWE-693 - Protection Mechanism Failure
CVSSv4: 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
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.
Remediation
Install update from vendor's website.
References
- 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