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Vulnerability Details : CVE-2019-15847

The POWER9 backend in GNU Compiler Collection (GCC) before version 10 could optimize multiple calls of the __builtin_darn intrinsic into a single call, thus reducing the entropy of the random number generator. This occurred because a volatile operation was not specified. For example, within a single execution of a program, the output of every __builtin_darn() call may be the same.
Publish Date : 2019-09-02 Last Update Date : 2019-09-05
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 331

- Products Affected By CVE-2019-15847

# Product Type Vendor Product Version Update Edition Language
1 Application GNU GCC - Version Details Vulnerabilities
2 Application GNU GCC 2.8.0 Version Details Vulnerabilities
3 Application GNU GCC 2.8.1 Version Details Vulnerabilities
4 Application GNU GCC 2.95 Version Details Vulnerabilities
5 Application GNU GCC 2.95.1 Version Details Vulnerabilities
6 Application GNU GCC 2.95.2 Version Details Vulnerabilities
7 Application GNU GCC 2.95.3 Version Details Vulnerabilities
8 Application GNU GCC 3.0 Version Details Vulnerabilities
9 Application GNU GCC 3.0.1 Version Details Vulnerabilities
10 Application GNU GCC 3.0.2 Version Details Vulnerabilities
11 Application GNU GCC 3.0.3 Version Details Vulnerabilities
12 Application GNU GCC 3.0.4 Version Details Vulnerabilities
13 Application GNU GCC 3.1 Version Details Vulnerabilities
14 Application GNU GCC 3.1.1 Version Details Vulnerabilities
15 Application GNU GCC 3.2 Version Details Vulnerabilities
16 Application GNU GCC 3.2.1 Version Details Vulnerabilities
17 Application GNU GCC 3.2.2 Version Details Vulnerabilities
18 Application GNU GCC 3.2.3 Version Details Vulnerabilities
19 Application GNU GCC 3.3 Version Details Vulnerabilities
20 Application GNU GCC 3.3.1 Version Details Vulnerabilities
21 Application GNU GCC 3.3.2 Version Details Vulnerabilities
22 Application GNU GCC 3.3.3 Version Details Vulnerabilities
23 Application GNU GCC 3.3.4 Version Details Vulnerabilities
24 Application GNU GCC 3.3.5 Version Details Vulnerabilities
25 Application GNU GCC 3.3.6 Version Details Vulnerabilities
26 Application GNU GCC 3.4.0 Version Details Vulnerabilities
27 Application GNU GCC 3.4.1 Version Details Vulnerabilities
28 Application GNU GCC 3.4.2 Version Details Vulnerabilities
29 Application GNU GCC 3.4.3 Version Details Vulnerabilities
30 Application GNU GCC 3.4.4 Version Details Vulnerabilities
31 Application GNU GCC 3.4.5 Version Details Vulnerabilities
32 Application GNU GCC 3.4.6 Version Details Vulnerabilities
33 Application GNU GCC 4.0.0 Version Details Vulnerabilities
34 Application GNU GCC 4.0.1 Version Details Vulnerabilities
35 Application GNU GCC 4.0.2 Version Details Vulnerabilities
36 Application GNU GCC 4.0.3 Version Details Vulnerabilities
37 Application GNU GCC 4.0.4 Version Details Vulnerabilities
38 Application GNU GCC 4.1 Version Details Vulnerabilities
39 Application GNU GCC 4.1.1 Version Details Vulnerabilities
40 Application GNU GCC 4.1.2 Version Details Vulnerabilities
41 Application GNU GCC 4.2.0 Version Details Vulnerabilities
42 Application GNU GCC 4.2.1 Version Details Vulnerabilities
43 Application GNU GCC 4.2.2 Version Details Vulnerabilities
44 Application GNU GCC 4.2.3 Version Details Vulnerabilities
45 Application GNU GCC 4.2.4 Version Details Vulnerabilities
46 Application GNU GCC 4.3.0 Version Details Vulnerabilities
47 Application GNU GCC 4.3.1 Version Details Vulnerabilities
48 Application GNU GCC 4.3.2 Version Details Vulnerabilities
49 Application GNU GCC 4.3.3 Version Details Vulnerabilities
50 Application GNU GCC 4.3.4 Version Details Vulnerabilities
51 Application GNU GCC 4.3.5 Version Details Vulnerabilities
52 Application GNU GCC 4.3.6 Version Details Vulnerabilities
53 Application GNU GCC 4.4.0 Version Details Vulnerabilities
54 Application GNU GCC 4.4.1 Version Details Vulnerabilities
55 Application GNU GCC 4.4.2 Version Details Vulnerabilities
56 Application GNU GCC 4.4.3 Version Details Vulnerabilities
57 Application GNU GCC 4.4.4 Version Details Vulnerabilities
58 Application GNU GCC 4.4.5 Version Details Vulnerabilities
59 Application GNU GCC 4.4.6 Version Details Vulnerabilities
60 Application GNU GCC 4.4.7 Version Details Vulnerabilities
61 Application GNU GCC 4.5.0 Version Details Vulnerabilities
62 Application GNU GCC 4.5.1 Version Details Vulnerabilities
63 Application GNU GCC 4.5.2 Version Details Vulnerabilities
64 Application GNU GCC 4.5.3 Version Details Vulnerabilities
65 Application GNU GCC 4.5.4 Version Details Vulnerabilities
66 Application GNU GCC 4.6 Version Details Vulnerabilities
67 Application GNU GCC 4.6.0 Version Details Vulnerabilities
68 Application GNU GCC 4.6.1 Version Details Vulnerabilities
69 Application GNU GCC 4.6.2 Version Details Vulnerabilities
70 Application GNU GCC 4.6.3 Version Details Vulnerabilities
71 Application GNU GCC 4.6.4 Version Details Vulnerabilities
72 Application GNU GCC 4.7 Version Details Vulnerabilities
73 Application GNU GCC 4.7.0 Version Details Vulnerabilities
74 Application GNU GCC 4.7.1 Version Details Vulnerabilities
75 Application GNU GCC 4.7.2 Version Details Vulnerabilities
76 Application GNU GCC 4.7.3 Version Details Vulnerabilities
77 Application GNU GCC 4.7.4 Version Details Vulnerabilities
78 Application GNU GCC 4.8 Version Details Vulnerabilities
79 Application GNU GCC 4.8.0 Version Details Vulnerabilities
80 Application GNU GCC 4.8.1 Version Details Vulnerabilities
81 Application GNU GCC 4.8.2 Version Details Vulnerabilities
82 Application GNU GCC 4.8.3 Version Details Vulnerabilities
83 Application GNU GCC 4.8.4 Version Details Vulnerabilities
84 Application GNU GCC 4.8.5 Version Details Vulnerabilities
85 Application GNU GCC 4.9 Version Details Vulnerabilities
86 Application GNU GCC 4.9.0 Version Details Vulnerabilities
87 Application GNU GCC 4.9.1 Version Details Vulnerabilities
88 Application GNU GCC 4.9.2 Version Details Vulnerabilities
89 Application GNU GCC 4.9.3 Version Details Vulnerabilities
90 Application GNU GCC 4.9.4 Version Details Vulnerabilities
91 Application GNU GCC 5.0 Version Details Vulnerabilities
92 Application GNU GCC 5.1 Version Details Vulnerabilities
93 Application GNU GCC 5.2 Version Details Vulnerabilities
94 Application GNU GCC 5.3 Version Details Vulnerabilities
95 Application GNU GCC 5.4 Version Details Vulnerabilities
96 Application GNU GCC 5.5 Version Details Vulnerabilities
97 Application GNU GCC 6.0 Version Details Vulnerabilities
98 Application GNU GCC 6.1 Version Details Vulnerabilities
99 Application GNU GCC 6.2 Version Details Vulnerabilities
100 Application GNU GCC 6.3 Version Details Vulnerabilities
101 Application GNU GCC 6.5 Version Details Vulnerabilities
102 Application GNU GCC 7.2 Version Details Vulnerabilities
103 Application GNU GCC 7.3 Version Details Vulnerabilities
104 Application GNU GCC 7.4 Version Details Vulnerabilities
105 Application GNU GCC 8.0 Version Details Vulnerabilities
106 Application GNU GCC 8.1 Version Details Vulnerabilities
107 Application GNU GCC 8.2 Version Details Vulnerabilities
108 Application GNU GCC 8.3 Version Details Vulnerabilities
109 Application GNU GCC 9.1 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
GNU GCC 109

- References For CVE-2019-15847

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481

- Metasploit Modules Related To CVE-2019-15847

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)
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