CVE-2018-8718 — Cross-site request forgery (CSRF) vulnerability in the Mailer Plugin 1

Cross-site request forgery (CSRF) vulnerability in the Mailer Plugin 1.20 for Jenkins 2.111 allows remote authenticated users to send unauthorized mail as an arbitrary user via a /descriptorByName/hudson.tasks.Mailer/sendTestMail request.

01What is this vulnerability?

Cross-site request forgery (CSRF) vulnerability in the Mailer Plugin 1.20 for Jenkins 2.111 allows remote authenticated users to send unauthorized mail as an arbitrary user via a /descriptorByName/hudson.tasks.Mailer/sendTestMail request.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2018-03-27T16:00:00.000Z
• Last modified: 2024-08-05T07:02:26.081Z

09References

• jenkins.io — https://jenkins.io/security/advisory/2018-03-26/
• www.openwall.com — http://www.openwall.com/lists/oss-security/2018/03/26/3
• www.exploit-db.com — https://www.exploit-db.com/exploits/44843/
• www.securityfocus.com — http://www.securityfocus.com/bid/103691