CVE-2020-7069
Wrong ciphertext/tag in AES-CCM encryption for a 12 bytes IV
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 7.3.23, 7.4.11, 7.2.34
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
In PHP versions 7.2.x below 7.2.34, 7.3.x below 7.3.23 and 7.4.x below 7.4.11, when AES-CCM mode is used with openssl_encrypt() function with 12 bytes IV, only first 7 bytes of the IV is actually used. This can lead to both decreased security and incorrect encryption data.
Timeline
- CVE published
- Record last updated
Affected versions
- PHP Group PHP
From 7.3.x · fixed in 7.3.23; From 7.4.x · fixed in 7.4.11; From 7.2.x · fixed in 7.2.34