CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
AI Score
Confidence
High
EPSS
Percentile
69.9%
Sympa version 6.2.16 and later contains a URL Redirection to Untrusted Site vulnerability in the referer parameter of the wwsympa fcgi login action that can result in open redirection and reflected cross-site scripting via data URIs.
id: CVE-2018-1000671
info:
name: Sympa version =>6.2.16 - Cross-Site Scripting
author: 0x_Akoko
severity: medium
description: Sympa version 6.2.16 and later contains a URL Redirection to Untrusted Site vulnerability in the referer parameter of the wwsympa fcgi login action that can result in open redirection and reflected cross-site scripting via data URIs.
impact: |
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, leading to potential session hijacking, defacement, or theft of sensitive information.
remediation: |
Upgrade to a patched version of Sympa (>=6.2.17) or apply the necessary security patches provided by the vendor.
reference:
- https://github.com/sympa-community/sympa/issues/268
- https://vuldb.com/?id.123670
- https://nvd.nist.gov/vuln/detail/CVE-2018-1000671
- https://lists.debian.org/debian-lts-announce/2018/09/msg00023.html
- https://lists.debian.org/debian-lts-announce/2020/11/msg00015.html
classification:
cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
cvss-score: 6.1
cve-id: CVE-2018-1000671
cwe-id: CWE-601
epss-score: 0.00422
epss-percentile: 0.74167
cpe: cpe:2.3:a:sympa:sympa:*:*:*:*:*:*:*:*
metadata:
verified: true
max-request: 1
vendor: sympa
product: sympa
shodan-query: http.html:"sympa"
fofa-query: body="sympa"
tags: cve,cve2018,redirect,sympa,debian
http:
- method: GET
path:
- '{{BaseURL}}/sympa?referer=http://interact.sh&passwd=&previous_action=&action=login&action_login=&previous_list=&list=&email='
matchers:
- type: regex
part: header
regex:
- '(?m)^(?:Location\s*?:\s*?)(?:https?:\/\/|\/\/|\/\\\\|\/\\)(?:[a-zA-Z0-9\-_\.@]*)interact\.sh\/?(\/|[^.].*)?$' # https://regex101.com/r/L403F0/1
# digest: 4a0a00473045022028e11e18259c866430979aed335d87e9013da4ad6269891e35178b6c514e1d5a022100cf6f6e9a1f027d12c9dd2ab6bdd0b897b3e17b49b313c9d1e85d763df05f738e:922c64590222798bb761d5b6d8e72950
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
AI Score
Confidence
High
EPSS
Percentile
69.9%