Cryptographic issues in php7 (Alpine package)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-7069 |
| CWE-ID | CWE-310 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
php7 (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Cryptographic issues
EUVDB-ID: #VU47253
Risk: Low
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-7069
CWE-ID:
CWE-310 - Cryptographic Issues
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to the openssl_encrypt() function generates a wrong ciphertext and a wrong tag for AES-CCM for a 12 bytes IV. As a result, a 7-byte nonce is used instead of 12 bytes. A remote attacker can abuse such behavior and decrypt data.
Install update from vendor's website.
Vulnerable software versionsphp7 (Alpine package): 7.2.5-r0 - 7.4.10-r2
External linkshttp://git.alpinelinux.org/aports/commit/?id=fea14b992879a919d81e6500b16721f9ecf084b7
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
