A vulnerability classified as critical has been found in Eran Hammer cryptiles 4.1.1. Affected is the function randomDigits. The manipulation with an unknown input leads to a entropy vulnerability. CWE is classifying the issue as CWE-331. The product uses an algorithm or scheme that produces insufficient entropy, leaving patterns or clusters of values that are more likely to occur than others. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Eran Hammer cryptiles version 4.1.1 earlier contains a CWE-331: Insufficient Entropy vulnerability in randomDigits() method that can result in An attacker is more likely to be able to brute force something that was supposed to be random.. This attack appear to be exploitable via Depends upon the calling application.. This vulnerability appears to have been fixed in 4.1.2.

The bug was discovered 06/24/2018. The weakness was shared 07/09/2018 (GitHub Repository). The advisory is shared for download at github.com. This vulnerability is traded as CVE-2018-1000620 since 07/09/2018. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1600.001.

The vulnerability was handled as a non-public zero-day exploit for at least 15 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 4.1.2 eliminates this vulnerability.

Productinfo

Vendor

• Eran Hammer

Name

• cryptiles

Version

• 4.1.1

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Discussion