CVE-2020-1774 : Exploit Details and Defense Strategies

#CVE-2020-1774: What You Need to Know CVE-2020-1774 is related to information disclosure in OTRS affecting various versions. The vulnerability allows mixing private and public keys during PGP or S/MIME key downloads.

Understanding CVE-2020-1774

CVE-2020-1774 involves an issue in OTRS where downloaded PGP or S/MIME keys/certificates can have the same file name for private and public keys, leading to the potential inadvertent disclosure of private keys.

What is CVE-2020-1774?

This CVE concerns the OTRS software, particularly the Community Edition versions 5.0.42 and earlier, 6.0.27 and earlier, and OTRS version 7.0.16 and earlier. The vulnerability arises when exporting PGP or S/MIME keys, causing a mix-up between private and public keys.

The Impact of CVE-2020-1774

The vulnerability can result in sending private keys to unintended third parties instead of public keys, potentially compromising the confidentiality of encrypted communications.

Technical Details of CVE-2020-1774

CVE-2020-1774 holds the following technical details:

Vulnerability Description

When exporting PGP or S/MIME keys/certificates, files may have the same name for private and public keys.

Affected Systems and Versions

OTRS Community Edition versions 5.0.42 and prior, 6.0.27 and prior.
OTRS version 7.0.16 and prior.

Exploitation Mechanism

Attacker could potentially obtain private keys when expecting public keys due to the naming mix-up during key export.

Mitigation and Prevention

It is crucial to take immediate actions and adopt long-term security practices to address CVE-2020-1774:

Immediate Steps to Take

Upgrade to OTRS 7.0.17 or ((OTRS)) Community Edition 6.0.28.
Apply patches:
((OTRS)) Community Edition 6: Patch Link
((OTRS)) Community Edition 5: Patch Link

Long-Term Security Practices

Regularly update OTRS software to the latest versions.
Ensure proper naming conventions for exported keys to avoid mix-ups.

Patching and Updates

Keep the OTRS software updated to the latest versions to mitigate the risk of information disclosure vulnerabilities.