Ubuntu.comUB:CVE-2018-20721CVE-2018-20721
9.8 High
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
7.5 High
CVSS2
Access Vector
NETWORK
Access 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
0.002 Low
EPSS
Percentile
60.3%
URI_FUNC() in UriParse.c in uriparser before 0.9.1 has an out-of-bounds
read (in uriParseEx functions) for an incomplete URI with an IPv6 address
containing an embedded IPv4 address, such as a “//[::44.1” address.
References
github.com/uriparser/uriparser/blob/master/ChangeLog
github.com/uriparser/uriparser/commit/cef25028de5ff872c2e1f0a6c562eb3ea9ecbce4
launchpad.net/bugs/cve/CVE-2018-20721
nvd.nist.gov/vuln/detail/CVE-2018-20721
security-tracker.debian.org/tracker/CVE-2018-20721
ubuntu.com/security/notices/USN-5172-1
www.cve.org/CVERecord?id=CVE-2018-20721
Related
9.8 High
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
7.5 High
CVSS2
Access Vector
NETWORK
Access 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
0.002 Low
EPSS
Percentile
60.3%