PT-2023-6546 · Jenkins · Jenkins Multibranch Scan Webhook Trigger Plugin+1

Yaroslav Afenkin · Published 2023-10-25 · Updated 2023-11-01 · CVE-2023-46656

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions Jenkins Multibranch Scan Webhook Trigger Plugin versions 1.0.9 and earlier

Description The issue is related to information disclosure. It potentially allows a remote attacker to gain unauthorized access to protected information. The problem lies in the non-constant time comparison function used when checking the provided and expected webhook token for equality. This could allow attackers to use statistical methods to obtain a valid webhook token.

Recommendations For Jenkins Multibranch Scan Webhook Trigger Plugin versions 1.0.9 and earlier, as a temporary workaround, consider disabling the webhook token comparison function until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Information Disclosure

Weakness Enumeration

CWE-697

CWE-208

CWE-200

Related Identifiers

BDU:2023-07308

CVE-2023-46656

GHSA-8859-V9JP-CPHF

Affected Products

Jenkins

Jenkins Multibranch Scan Webhook Trigger Plugin

References · 10

• https://jenkins.io/security/advisory/2023-10-25/#SECURITY-2875 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-46656 · Security Note
• https://osv.dev/vulnerability/GHSA-8859-v9jp-cphf · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-46656 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-07308 · Security Note
• https://github.com/jenkinsci/multibranch-scan-webhook-trigger-plugin · Note
• https://tenable.com/cve/CVE-2023-46656 · Note
• https://cybersecurity-help.cz/vdb/SB2023102613 · Note
• https://vuldb.com/ru/?id.243426 · Note
• http://openwall.com/lists/oss-security/2023/10/25/2 · Note