CVE-2019-7886: Weak Encryption
First published: Tue Jun 25 2019(Updated: )
A cryptograhic flaw exists in Magento 2.1 prior to 2.1.18, Magento 2.2 prior to 2.2.9, Magento 2.3 prior to 2.3.2. A weak cryptograhic mechanism is used to generate the intialization vector in multiple security relevant contexts.
Credit: psirt@adobe.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/magento/product-community-edition | >=2.1<2.1.18>=2.2<2.2.9>=2.3<2.3.2 | |
| composer/magento/community-edition | >=2.3<2.3.2 | 2.3.2 |
| composer/magento/community-edition | >=2.2<2.2.9 | 2.2.9 |
| composer/magento/community-edition | >=2.1<2.1.18 | 2.1.18 |
| CentOS Libgcc | >=2.1.0<2.1.18 | |
| CentOS Libgcc | >=2.2.0<2.2.9 | |
| CentOS Libgcc | >=2.3.0<2.3.2 |
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Reference Links
- https://magento.com/security/patches/magento-2.3.2-2.2.9-and-2.1.18-security-update-33
- https://nvd.nist.gov/vuln/detail/CVE-2019-7886
- https://web.archive.org/web/20220121011306/https://magento.com/security/patches/magento-2.3.2-2.2.9-and-2.1.18-security-update-33
- https://github.com/advisories/GHSA-c2gg-rrhc-fvvg (Advisory)
- https://github.com/FriendsOfPHP/security-advisories/blob/master/magento/product-community-edition/CVE-2019-7886.yaml
Frequently Asked Questions
What is the severity of CVE-2019-7886?
CVE-2019-7886 has a moderate severity level due to a weak cryptographic mechanism affecting the initialization vector.
How do I fix CVE-2019-7886?
To fix CVE-2019-7886, upgrade to Magento version 2.1.18, 2.2.9, or 2.3.2.
What versions of Magento are affected by CVE-2019-7886?
CVE-2019-7886 affects Magento versions 2.1 to below 2.1.18, 2.2 to below 2.2.9, and 2.3 to below 2.3.2.
What kind of vulnerability is CVE-2019-7886?
CVE-2019-7886 is a cryptographic vulnerability that uses insufficiently random values in security contexts.
Is it safe to continue using affected versions of Magento with CVE-2019-7886?
It is not safe to use affected versions of Magento with CVE-2019-7886 as it can lead to compromised security.
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