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Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2020-6096

An exploitable signed comparison vulnerability exists in the ARMv7 memcpy() implementation of GNU glibc 2.30.9000. Calling memcpy() (on ARMv7 targets that utilize the GNU glibc implementation) with a negative value for the 'num' parameter results in a signed comparison vulnerability. If an attacker underflows the 'num' parameter to memcpy(), this vulnerability could lead to undefined behavior such as writing to out-of-bounds memory and potentially remote code execution. Furthermore, this memcpy() implementation allows for program execution to continue in scenarios where a segmentation fault or crash should have occurred. The dangers occur in that subsequent execution and iterations of this code will be executed with this corrupted data.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.046
EPSS Ranking 88.7%
CVSS Severity
CVSS v3 Score 8.1
CVSS v2 Score 6.8
References
Products affected by CVE-2020-6096
  • Gnu » Glibc » Version: N/A
    cpe:2.3:a:gnu:glibc:-
  • Gnu » Glibc » Version: 0.1
    cpe:2.3:a:gnu:glibc:0.1
  • Gnu » Glibc » Version: 0.4
    cpe:2.3:a:gnu:glibc:0.4
  • Gnu » Glibc » Version: 0.4.1
    cpe:2.3:a:gnu:glibc:0.4.1
  • Gnu » Glibc » Version: 0.5
    cpe:2.3:a:gnu:glibc:0.5
  • Gnu » Glibc » Version: 0.6
    cpe:2.3:a:gnu:glibc:0.6
  • Gnu » Glibc » Version: 1.00
    cpe:2.3:a:gnu:glibc:1.00
  • Gnu » Glibc » Version: 1.01
    cpe:2.3:a:gnu:glibc:1.01
  • Gnu » Glibc » Version: 1.02
    cpe:2.3:a:gnu:glibc:1.02
  • Gnu » Glibc » Version: 1.03
    cpe:2.3:a:gnu:glibc:1.03
  • Gnu » Glibc » Version: 1.04
    cpe:2.3:a:gnu:glibc:1.04
  • Gnu » Glibc » Version: 1.05
    cpe:2.3:a:gnu:glibc:1.05
  • Gnu » Glibc » Version: 1.06
    cpe:2.3:a:gnu:glibc:1.06
  • Gnu » Glibc » Version: 1.06.1
    cpe:2.3:a:gnu:glibc:1.06.1
  • Gnu » Glibc » Version: 1.06.10
    cpe:2.3:a:gnu:glibc:1.06.10
  • Gnu » Glibc » Version: 1.06.11
    cpe:2.3:a:gnu:glibc:1.06.11
  • Gnu » Glibc » Version: 1.06.12
    cpe:2.3:a:gnu:glibc:1.06.12
  • Gnu » Glibc » Version: 1.06.13
    cpe:2.3:a:gnu:glibc:1.06.13
  • Gnu » Glibc » Version: 1.06.2
    cpe:2.3:a:gnu:glibc:1.06.2
  • Gnu » Glibc » Version: 1.06.3
    cpe:2.3:a:gnu:glibc:1.06.3
  • Gnu » Glibc » Version: 1.06.4
    cpe:2.3:a:gnu:glibc:1.06.4
  • Gnu » Glibc » Version: 1.06.6
    cpe:2.3:a:gnu:glibc:1.06.6
  • Gnu » Glibc » Version: 1.06.7
    cpe:2.3:a:gnu:glibc:1.06.7
  • Gnu » Glibc » Version: 1.06.8
    cpe:2.3:a:gnu:glibc:1.06.8
  • Gnu » Glibc » Version: 1.06.9
    cpe:2.3:a:gnu:glibc:1.06.9
  • Gnu » Glibc » Version: 1.07
    cpe:2.3:a:gnu:glibc:1.07
  • Gnu » Glibc » Version: 1.07.1
    cpe:2.3:a:gnu:glibc:1.07.1
  • Gnu » Glibc » Version: 1.07.2
    cpe:2.3:a:gnu:glibc:1.07.2
  • Gnu » Glibc » Version: 1.07.3
    cpe:2.3:a:gnu:glibc:1.07.3
  • Gnu » Glibc » Version: 1.07.4
    cpe:2.3:a:gnu:glibc:1.07.4
  • Gnu » Glibc » Version: 1.07.5
    cpe:2.3:a:gnu:glibc:1.07.5
  • Gnu » Glibc » Version: 1.07.6
    cpe:2.3:a:gnu:glibc:1.07.6
  • Gnu » Glibc » Version: 1.08
    cpe:2.3:a:gnu:glibc:1.08
  • Gnu » Glibc » Version: 1.08.1
    cpe:2.3:a:gnu:glibc:1.08.1
  • Gnu » Glibc » Version: 1.08.10
    cpe:2.3:a:gnu:glibc:1.08.10
  • Gnu » Glibc » Version: 1.08.11
    cpe:2.3:a:gnu:glibc:1.08.11
  • Gnu » Glibc » Version: 1.08.12
    cpe:2.3:a:gnu:glibc:1.08.12
  • Gnu » Glibc » Version: 1.08.13
    cpe:2.3:a:gnu:glibc:1.08.13
  • Gnu » Glibc » Version: 1.08.14
    cpe:2.3:a:gnu:glibc:1.08.14
  • Gnu » Glibc » Version: 1.08.3
    cpe:2.3:a:gnu:glibc:1.08.3
  • Gnu » Glibc » Version: 1.08.4
    cpe:2.3:a:gnu:glibc:1.08.4
  • Gnu » Glibc » Version: 1.08.5
    cpe:2.3:a:gnu:glibc:1.08.5
  • Gnu » Glibc » Version: 1.08.6
    cpe:2.3:a:gnu:glibc:1.08.6
  • Gnu » Glibc » Version: 1.08.7
    cpe:2.3:a:gnu:glibc:1.08.7
  • Gnu » Glibc » Version: 1.08.8
    cpe:2.3:a:gnu:glibc:1.08.8
  • Gnu » Glibc » Version: 1.08.9
    cpe:2.3:a:gnu:glibc:1.08.9
  • Gnu » Glibc » Version: 1.09
    cpe:2.3:a:gnu:glibc:1.09
  • Gnu » Glibc » Version: 1.09.1
    cpe:2.3:a:gnu:glibc:1.09.1
  • Gnu » Glibc » Version: 1.09.2
    cpe:2.3:a:gnu:glibc:1.09.2
  • Gnu » Glibc » Version: 1.09.3
    cpe:2.3:a:gnu:glibc:1.09.3
  • Gnu » Glibc » Version: 1.09.5
    cpe:2.3:a:gnu:glibc:1.09.5
  • Gnu » Glibc » Version: 1.90
    cpe:2.3:a:gnu:glibc:1.90
  • Gnu » Glibc » Version: 1.91
    cpe:2.3:a:gnu:glibc:1.91
  • Gnu » Glibc » Version: 1.92
    cpe:2.3:a:gnu:glibc:1.92
  • Gnu » Glibc » Version: 1.93
    cpe:2.3:a:gnu:glibc:1.93
  • Gnu » Glibc » Version: 2.0
    cpe:2.3:a:gnu:glibc:2.0
  • Gnu » Glibc » Version: 2.0.1
    cpe:2.3:a:gnu:glibc:2.0.1
  • Gnu » Glibc » Version: 2.0.100
    cpe:2.3:a:gnu:glibc:2.0.100
  • Gnu » Glibc » Version: 2.0.101
    cpe:2.3:a:gnu:glibc:2.0.101
  • Gnu » Glibc » Version: 2.0.103
    cpe:2.3:a:gnu:glibc:2.0.103
  • Gnu » Glibc » Version: 2.0.106
    cpe:2.3:a:gnu:glibc:2.0.106
  • Gnu » Glibc » Version: 2.0.112
    cpe:2.3:a:gnu:glibc:2.0.112
  • Gnu » Glibc » Version: 2.0.2
    cpe:2.3:a:gnu:glibc:2.0.2
  • Gnu » Glibc » Version: 2.0.3
    cpe:2.3:a:gnu:glibc:2.0.3
  • Gnu » Glibc » Version: 2.0.4
    cpe:2.3:a:gnu:glibc:2.0.4
  • Gnu » Glibc » Version: 2.0.5
    cpe:2.3:a:gnu:glibc:2.0.5
  • Gnu » Glibc » Version: 2.0.6
    cpe:2.3:a:gnu:glibc:2.0.6
  • Gnu » Glibc » Version: 2.0.92
    cpe:2.3:a:gnu:glibc:2.0.92
  • Gnu » Glibc » Version: 2.0.95
    cpe:2.3:a:gnu:glibc:2.0.95
  • Gnu » Glibc » Version: 2.0.96
    cpe:2.3:a:gnu:glibc:2.0.96
  • Gnu » Glibc » Version: 2.0.97
    cpe:2.3:a:gnu:glibc:2.0.97
  • Gnu » Glibc » Version: 2.0.98
    cpe:2.3:a:gnu:glibc:2.0.98
  • Gnu » Glibc » Version: 2.0.99
    cpe:2.3:a:gnu:glibc:2.0.99
  • Gnu » Glibc » Version: 2.1
    cpe:2.3:a:gnu:glibc:2.1
  • Gnu » Glibc » Version: 2.1.1
    cpe:2.3:a:gnu:glibc:2.1.1
  • Gnu » Glibc » Version: 2.1.1.6
    cpe:2.3:a:gnu:glibc:2.1.1.6
  • Gnu » Glibc » Version: 2.1.2
    cpe:2.3:a:gnu:glibc:2.1.2
  • Gnu » Glibc » Version: 2.1.3
    cpe:2.3:a:gnu:glibc:2.1.3
  • Gnu » Glibc » Version: 2.1.3.10
    cpe:2.3:a:gnu:glibc:2.1.3.10
  • Gnu » Glibc » Version: 2.1.9
    cpe:2.3:a:gnu:glibc:2.1.9
  • Gnu » Glibc » Version: 2.1.91
    cpe:2.3:a:gnu:glibc:2.1.91
  • Gnu » Glibc » Version: 2.1.92
    cpe:2.3:a:gnu:glibc:2.1.92
  • Gnu » Glibc » Version: 2.1.93
    cpe:2.3:a:gnu:glibc:2.1.93
  • Gnu » Glibc » Version: 2.1.94
    cpe:2.3:a:gnu:glibc:2.1.94
  • Gnu » Glibc » Version: 2.1.95
    cpe:2.3:a:gnu:glibc:2.1.95
  • Gnu » Glibc » Version: 2.1.96
    cpe:2.3:a:gnu:glibc:2.1.96
  • Gnu » Glibc » Version: 2.1.97
    cpe:2.3:a:gnu:glibc:2.1.97
  • Gnu » Glibc » Version: 2.10
    cpe:2.3:a:gnu:glibc:2.10
  • Gnu » Glibc » Version: 2.10.1
    cpe:2.3:a:gnu:glibc:2.10.1
  • Gnu » Glibc » Version: 2.10.2
    cpe:2.3:a:gnu:glibc:2.10.2
  • Gnu » Glibc » Version: 2.11
    cpe:2.3:a:gnu:glibc:2.11
  • Gnu » Glibc » Version: 2.11.1
    cpe:2.3:a:gnu:glibc:2.11.1
  • Gnu » Glibc » Version: 2.11.2
    cpe:2.3:a:gnu:glibc:2.11.2
  • Gnu » Glibc » Version: 2.11.3
    cpe:2.3:a:gnu:glibc:2.11.3
  • Gnu » Glibc » Version: 2.12
    cpe:2.3:a:gnu:glibc:2.12
  • Gnu » Glibc » Version: 2.12.0
    cpe:2.3:a:gnu:glibc:2.12.0
  • Gnu » Glibc » Version: 2.12.1
    cpe:2.3:a:gnu:glibc:2.12.1
  • Gnu » Glibc » Version: 2.12.2
    cpe:2.3:a:gnu:glibc:2.12.2
  • Gnu » Glibc » Version: 2.13
    cpe:2.3:a:gnu:glibc:2.13
  • Gnu » Glibc » Version: 2.14
    cpe:2.3:a:gnu:glibc:2.14
  • Gnu » Glibc » Version: 2.14.1
    cpe:2.3:a:gnu:glibc:2.14.1
  • Gnu » Glibc » Version: 2.14.9000
    cpe:2.3:a:gnu:glibc:2.14.9000
  • Gnu » Glibc » Version: 2.15
    cpe:2.3:a:gnu:glibc:2.15
  • Gnu » Glibc » Version: 2.16
    cpe:2.3:a:gnu:glibc:2.16
  • Gnu » Glibc » Version: 2.16.0
    cpe:2.3:a:gnu:glibc:2.16.0
  • Gnu » Glibc » Version: 2.16.90
    cpe:2.3:a:gnu:glibc:2.16.90
  • Gnu » Glibc » Version: 2.17
    cpe:2.3:a:gnu:glibc:2.17
  • Gnu » Glibc » Version: 2.17.90
    cpe:2.3:a:gnu:glibc:2.17.90
  • Gnu » Glibc » Version: 2.18
    cpe:2.3:a:gnu:glibc:2.18
  • Gnu » Glibc » Version: 2.18.90
    cpe:2.3:a:gnu:glibc:2.18.90
  • Gnu » Glibc » Version: 2.19
    cpe:2.3:a:gnu:glibc:2.19
  • Gnu » Glibc » Version: 2.19.90
    cpe:2.3:a:gnu:glibc:2.19.90
  • Gnu » Glibc » Version: 2.2
    cpe:2.3:a:gnu:glibc:2.2
  • Gnu » Glibc » Version: 2.2.1
    cpe:2.3:a:gnu:glibc:2.2.1
  • Gnu » Glibc » Version: 2.2.2
    cpe:2.3:a:gnu:glibc:2.2.2
  • Gnu » Glibc » Version: 2.2.3
    cpe:2.3:a:gnu:glibc:2.2.3
  • Gnu » Glibc » Version: 2.2.4
    cpe:2.3:a:gnu:glibc:2.2.4
  • Gnu » Glibc » Version: 2.2.5
    cpe:2.3:a:gnu:glibc:2.2.5
  • Gnu » Glibc » Version: 2.20
    cpe:2.3:a:gnu:glibc:2.20
  • Gnu » Glibc » Version: 2.20.90
    cpe:2.3:a:gnu:glibc:2.20.90
  • Gnu » Glibc » Version: 2.21
    cpe:2.3:a:gnu:glibc:2.21
  • Gnu » Glibc » Version: 2.21.90
    cpe:2.3:a:gnu:glibc:2.21.90
  • Gnu » Glibc » Version: 2.22
    cpe:2.3:a:gnu:glibc:2.22
  • Gnu » Glibc » Version: 2.22.90
    cpe:2.3:a:gnu:glibc:2.22.90
  • Gnu » Glibc » Version: 2.23
    cpe:2.3:a:gnu:glibc:2.23
  • Gnu » Glibc » Version: 2.23.90
    cpe:2.3:a:gnu:glibc:2.23.90
  • Gnu » Glibc » Version: 2.24
    cpe:2.3:a:gnu:glibc:2.24
  • Gnu » Glibc » Version: 2.24.90
    cpe:2.3:a:gnu:glibc:2.24.90
  • Gnu » Glibc » Version: 2.25
    cpe:2.3:a:gnu:glibc:2.25
  • Gnu » Glibc » Version: 2.25.90
    cpe:2.3:a:gnu:glibc:2.25.90
  • Gnu » Glibc » Version: 2.26
    cpe:2.3:a:gnu:glibc:2.26
  • Gnu » Glibc » Version: 2.26.9000
    cpe:2.3:a:gnu:glibc:2.26.9000
  • Gnu » Glibc » Version: 2.27
    cpe:2.3:a:gnu:glibc:2.27
  • Gnu » Glibc » Version: 2.27.9000
    cpe:2.3:a:gnu:glibc:2.27.9000
  • Gnu » Glibc » Version: 2.28
    cpe:2.3:a:gnu:glibc:2.28
  • Gnu » Glibc » Version: 2.28.9000
    cpe:2.3:a:gnu:glibc:2.28.9000
  • Gnu » Glibc » Version: 2.29
    cpe:2.3:a:gnu:glibc:2.29
  • Gnu » Glibc » Version: 2.29.9000
    cpe:2.3:a:gnu:glibc:2.29.9000
  • Gnu » Glibc » Version: 2.3
    cpe:2.3:a:gnu:glibc:2.3
  • Gnu » Glibc » Version: 2.3.1
    cpe:2.3:a:gnu:glibc:2.3.1
  • Gnu » Glibc » Version: 2.3.10
    cpe:2.3:a:gnu:glibc:2.3.10
  • Gnu » Glibc » Version: 2.3.2
    cpe:2.3:a:gnu:glibc:2.3.2
  • Gnu » Glibc » Version: 2.3.3
    cpe:2.3:a:gnu:glibc:2.3.3
  • Gnu » Glibc » Version: 2.3.4
    cpe:2.3:a:gnu:glibc:2.3.4
  • Gnu » Glibc » Version: 2.3.5
    cpe:2.3:a:gnu:glibc:2.3.5
  • Gnu » Glibc » Version: 2.3.6
    cpe:2.3:a:gnu:glibc:2.3.6
  • Gnu » Glibc » Version: 2.30
    cpe:2.3:a:gnu:glibc:2.30
  • Gnu » Glibc » Version: 2.30.9000
    cpe:2.3:a:gnu:glibc:2.30.9000
  • Gnu » Glibc » Version: 2.31
    cpe:2.3:a:gnu:glibc:2.31
  • Gnu » Glibc » Version: 2.4
    cpe:2.3:a:gnu:glibc:2.4
  • Gnu » Glibc » Version: 2.5
    cpe:2.3:a:gnu:glibc:2.5
  • Gnu » Glibc » Version: 2.5.1
    cpe:2.3:a:gnu:glibc:2.5.1
  • Gnu » Glibc » Version: 2.6
    cpe:2.3:a:gnu:glibc:2.6
  • Gnu » Glibc » Version: 2.6.1
    cpe:2.3:a:gnu:glibc:2.6.1
  • Gnu » Glibc » Version: 2.7
    cpe:2.3:a:gnu:glibc:2.7
  • Gnu » Glibc » Version: 2.8
    cpe:2.3:a:gnu:glibc:2.8
  • Gnu » Glibc » Version: 2.9
    cpe:2.3:a:gnu:glibc:2.9
  • Debian » Debian Linux » Version: 10.0
    cpe:2.3:o:debian:debian_linux:10.0
  • Fedoraproject » Fedora » Version: 31
    cpe:2.3:o:fedoraproject:fedora:31
  • Fedoraproject » Fedora » Version: 32
    cpe:2.3:o:fedoraproject:fedora:32


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