CVE-2019-10744 Prototype Pollution in lodash

Critical 9.1 Published Updated

Prototype pollution in lodash allows attackers to modify Object.prototype, potentially leading to code execution or privilege escalation.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2019-10744?

CVE-2019-10744 is a critical vulnerability in F5 Big-Ip Access Policy Manager, published on 25 Jul 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Versions of lodash lower than 4.17.12 are vulnerable to Prototype Pollution. The function defaultsDeep could be tricked into adding or modifying properties of Object.prototype using a constructor payload.

Weakness: CWE-1321

Which versions are affected by CVE-2019-10744?

10 open source packages ship an affected version, including lodash-rails, lodash and lodash-amd. It affects 21 products.

PackageAffectedFixed in
lodash-rails RubyGemsAll versions4.17.12
lodash-rails RubyGemsAll versions4.17.12
lodash npmAll versions4.17.12
lodash npmAll versions4.17.12
lodash-amd npmAll versions4.17.13
lodash-amd npmAll versions4.17.13
4 more packages
lodash-es npmAll versions4.17.14
lodash-es npmAll versions4.17.14
lodash.defaultsdeep npmAll versions4.6.1
lodash.defaultsdeep npmAll versions4.6.1

Products include F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Application Security Manager, F5 Big-Ip Application Visibility and Reporting and 15 more.

How do I fix CVE-2019-10744?

Upgrade lodash-rails to 4.17.12 or later.

Is CVE-2019-10744 being exploited?

There is no known exploitation of CVE-2019-10744 in the wild and no public exploit code.

Public exploit code: 2 proofs of concept on GitHub.

All F5 Big-Ip Access Policy Manager vulnerabilities

Sources

Also known as AZL-44634, DEBIAN-CVE-2019-10744, GHSA-jf85-cpcp-j695, MINI-4jp3-85gc-3wgg, MINI-5xv2-6g9x-pw54, MINI-m42f-gh7w-8xj7 and 2 more.

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