Ubuntu.comUB:CVE-2020-6838CVE-2020-6838
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
79.7%
In mruby 2.1.0, there is a use-after-free in hash_values_at in
mrbgems/mruby-hash-ext/src/hash-ext.c.
References
github.com/mruby/mruby/commit/2742ded32fe18f88833d76b297f5c2170b6880c3
github.com/mruby/mruby/commit/70e574689664c10ed2c47581999cc2ce3e3c5afb
github.com/mruby/mruby/commit/fc8fb41451b07b3fda0726ba80e88e509ad02452
github.com/mruby/mruby/issues/4926
launchpad.net/bugs/cve/CVE-2020-6838
nvd.nist.gov/vuln/detail/CVE-2020-6838
security-tracker.debian.org/tracker/CVE-2020-6838
www.cve.org/CVERecord?id=CVE-2020-6838
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
79.7%