Ubuntu.comUB:CVE-2018-7753CVE-2018-7753
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:3.0/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
51.6%
An issue was discovered in Bleach 2.1.x before 2.1.3. Attributes that have
URI values weren’t properly sanitized if the values contained character
entities. Using character entities, it was possible to construct a URI
value with a scheme that was not allowed that would slide through
unsanitized.
Bugs
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | python-bleach | < any | UNKNOWN |
| ubuntu | 16.04 | noarch | python-bleach | < any | UNKNOWN |
References
bugs.debian.org/892252
github.com/mozilla/bleach/commit/c5df5789ec3471a31311f42c2d19fc2cf21b35ef
github.com/mozilla/bleach/pull/356
github.com/mozilla/bleach/releases/tag/v2.1.3
launchpad.net/bugs/cve/CVE-2018-7753
nvd.nist.gov/vuln/detail/CVE-2018-7753
security-tracker.debian.org/tracker/CVE-2018-7753
www.cve.org/CVERecord?id=CVE-2018-7753
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:3.0/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
51.6%