CVE-2015-7503 Zend Framework Information Disclosure

High 7.5 Published Updated

Remote attackers can recover RSA private keys due to weak cryptography in the Zend Framework library, compromising encrypted data.

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

What is CVE-2015-7503?

CVE-2015-7503 is a high-severity vulnerability in n/a, published on 10 Oct 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Zend Framework before 2.4.9, zend-framework/zend-crypt 2.4.x before 2.4.9, and 2.5.x before 2.5.2 allows remote attackers to recover the RSA private key.

Weakness: CWE-320

Which versions are affected by CVE-2015-7503?

8 open source packages ship an affected version, including zendframework/zend-crypt and zendframework/zendframework. It affects 1 product.

PackageAffectedFixed in
zendframework/zend-crypt PackagistFrom 2.0.02.4.9
zendframework/zend-crypt PackagistFrom 2.0.02.4.9
zendframework/zend-crypt PackagistFrom 2.5.02.5.2
zendframework/zend-crypt PackagistFrom 2.5.02.5.2
zendframework/zendframework PackagistFrom 2.0.02.4.9
zendframework/zendframework PackagistFrom 2.0.02.4.9
2 more packages
zendframework/zendframework PackagistFrom 2.5.02.5.2
zendframework/zendframework PackagistFrom 2.5.02.5.2

Products include Zend Zend Framework.

How do I fix CVE-2015-7503?

Upgrade zendframework/zend-crypt to a fixed version for your release line: 2.4.9 or 2.5.2.

Is CVE-2015-7503 being exploited?

There is no known exploitation of CVE-2015-7503 in the wild and no public exploit code.

Sources

Also known as GHSA-pm9m-w23q-5967, MGASA-2016-0196.

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