Medium severity · published Dec 19, 2018
CVE-2018-15798
Pivotal Concourse Release, versions 4.x prior to 4.2.2, login flow allows redirects to untrusted websites
5.4
CVSS
1.1%
EPSS
No
On KEV
Description
Pivotal Concourse Release, versions 4.x prior to 4.2.2, login flow allows redirects to untrusted websites. A remote unauthenticated attacker could convince a user to click on a link using the oAuth redirect link with an untrusted website and gain access to that user's access token in Concourse.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 67% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CO
Concourse · Pivotal Software
4.0.0 before 4.2.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-15798
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-15798
Release Notes
https://pivotal.io/security/cve-2018-15798
More from Concourse
10.0
CVE-2020-5415
Concourse, versions prior to 6.3.1 and 6.4.1, in installations which use the GitLab auth connector, is vulnerable to identity spoofing by way of configuring a GitLab account with…
7.5
CVE-2019-3792
Pivotal Concourse version 5.0.0, contains an API that is vulnerable to SQL injection
7.5
CVE-2019-3803
Concourse includes token in CLI authentication callback
7.5
CVE-2018-1227
Pivotal Concourse after 2018-03-05 might allow remote attackers to have an unspecified impact, if a customer obtained the Concourse software from a DNS domain that is no longer…
6.1
CVE-2020-5409
Pivotal Concourse, most versions prior to 6.0.0, allows redirects to untrusted websites in its login flow