Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2019-15847 |
CWE-ID | CWE-338 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software Subscribe |
devtoolset-8-gcc (Red Hat package) Operating systems & Components / Operating system package or component |
Vendor | Red Hat Inc. |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU28259
Risk: Low
CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-15847
CWE-ID:
CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
Exploit availability: No
DescriptionThe vulnerability allows an attacker to bypass implemented security restrictions.
The vulnerability exists due to the POWER9 backend in GNU Compiler Collection (GCC) can optimize multiple calls of the __builtin_darn intrinsic into a
single call, thus reducing the entropy of the random number generator. This vulnerability may weaken security features that rely on random number generator.
Install updates from vendor's website.
devtoolset-8-gcc (Red Hat package): before 8.3.1-3.2.el7
External linkshttp://access.redhat.com/errata/RHSA-2020:0924
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.