Veracode Vulnerability DatabaseVERACODE:38471Regular Expression Denial Of Service (ReDoS)
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.001 Low
EPSS
Percentile
22.8%
loofah is vulnerable to regular expression denial of service. The vulnerability exists due to the insecure regex pattern used for the attr_node.value attribute in the scrub_attributes function of scrub.rb, allowing an attacker to crash the application by providing malicious SVG attributes.
References
github.com/advisories/GHSA-486f-hjj9-9vhh
github.com/flavorjones/loofah/commit/a6e0a1ab90675a17b1b2be189129d94139e4b143
github.com/flavorjones/loofah/security/advisories/GHSA-486f-hjj9-9vhh
github.com/rubysec/ruby-advisory-db/blob/master/gems/loofah/CVE-2022-23514.yml
hackerone.com/reports/1684163
lists.debian.org/debian-lts-announce/2023/09/msg00011.html
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.001 Low
EPSS
Percentile
22.8%