CVE-2023-1714 Bitrix24 Remote Command Execution (RCE) via Unsafe Variable Extraction
Remote authenticated attackers can execute arbitrary code in Bitrix24 via unsafe variable extraction and PHAR deserialization.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-1714?
CVE-2023-1714 is a high-severity unsafe deserialization vulnerability in Bitrix24, published on 1 Nov 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Unsafe variable extraction in bitrix/modules/main/classes/general/user_options.php in Bitrix24 22.0.300 allows remote authenticated attackers to execute arbitrary code via (1) appending arbitrary content to existing PHP files or (2) PHAR deserialization.
Weakness: CWE-502
Which versions are affected by CVE-2023-1714?
It affects 1 product.
Products include Bitrix24 Bitrix24.
How do I fix CVE-2023-1714?
No fix has been published for CVE-2023-1714 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2023-1714 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-1714 exists.
Other vulnerabilities in Bitrix24
- CVE-2022-27228 Code injection in n/a
- CVE-2020-13484 Server-side request forgery in n/a
- CVE-2023-1717 Bitrix24 Cross-Site Scripting (XSS) via Client-side Prototype Pollution
- CVE-2023-1720 Bitrix24 Stored Cross-Site Scripting (XSS) via File Upload
- CVE-2023-1715 Bitrix24 Stored Cross-Site Scripting (XSS) via Improper Input Neutralization on Invoice Edit Page (1 of 2)
Sources
Also known as GHSA-j39w-2vxq-jj4w.