CVE-2023-29827 Code injection in n/a

What is CVE-2023-29827?

CVE-2023-29827 is a critical code injection vulnerability in n/a, published on 4 May 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

ejs v3.1.9 is vulnerable to server-side template injection. If the ejs file is controllable, template injection can be implemented through the configuration settings of the closeDelimiter parameter. NOTE: this is disputed by the vendor because the render function is not intended to be used with untrusted input.

Weakness: CWE-74

Which versions are affected by CVE-2023-29827?

It affects 1 product.

Products include Ejs Ejs.

How do I fix CVE-2023-29827?

No fix has been published for CVE-2023-29827 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2023-29827 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-29827 exists.

Public exploit code: 1 Nuclei template.

Other vulnerabilities in n/a

• CVE-2022-29078 ejs template injection vulnerability Critical 9.8
• CVE-2017-1000228 ejs is vulnerable to remote code execution due to weak input validation Critical 9.8
• CVE-2017-1000189 ejs vulnerable to DoS due to weak input validation High 7.5
• CVE-2017-1000188 mde ejs vulnerable to XSS Medium 6.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2023-29827, GHSA-j5pp-6f4w-r5r6.