PrestaShop up to 1.6.1.19/1.7.3.3 Cookie Encryption Cookie.php cryptographic issue

Summaryinfo

A vulnerability has been found in PrestaShop up to 1.6.1.19/1.7.3.3 and classified as critical. Affected by this issue is some unknown functionality of the file Cookie.php of the component Cookie Encryption. The manipulation leads to cryptographic issue. This vulnerability is referenced as CVE-2018-13784. Remote exploitation of the attack is possible. Furthermore, an exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in PrestaShop up to 1.6.1.19/1.7.3.3 (E-Commerce Management Software). This issue affects an unknown part of the file Cookie.php of the component Cookie Encryption. The manipulation with an unknown input leads to a cryptographic issue vulnerability. Using CWE to declare the problem leads to CWE-310. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

PrestaShop before 1.6.1.20 and 1.7.x before 1.7.3.4 mishandles cookie encryption in Cookie.php, Rinjdael.php, and Blowfish.php.

The bug was discovered 06/26/2018. The weakness was published 07/09/2018 (Website). It is possible to read the advisory at build.prestashop.com. The identification of this vulnerability is CVE-2018-13784 since 07/09/2018. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1600 according to MITRE ATT&CK.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 13 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:Cookie.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 1.6.1.20 or 1.7.3.4 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (45046). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• E-Commerce Management Software

Name

• PrestaShop

Version

• 1.6.1.0
• 1.6.1.1
• 1.6.1.2
• 1.6.1.3
• 1.6.1.4
• 1.6.1.5
• 1.6.1.6
• 1.6.1.7
• 1.6.1.8
• 1.6.1.9
• 1.6.1.10
• 1.6.1.11
• 1.6.1.12
• 1.6.1.13
• 1.6.1.14
• 1.6.1.15
• 1.6.1.16
• 1.6.1.17
• 1.6.1.18
• 1.6.1.19
• 1.7.3.0
• 1.7.3.1
• 1.7.3.2
• 1.7.3.3

License

• open-source

Website

• Product: https://github.com/PrestaShop/PrestaShop/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

Discussion