Integer overflow in php7 (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-11039
CWE-ID CWE-190
Exploitation vector Network
Public exploit N/A
Vulnerable software
 php7 (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Integer overflow

EUVDB-ID: #VU19277

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-11039

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to integer overflow in iconv_mime_decode_headers() function when processing MIME headers. A remote attacker can trigger integer overflow and gain access to sensitive information or trigger application crash.

Mitigation

Install update from vendor's website.

Vulnerable software versions

php7 (Alpine package): 7.1.30-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=653805b88f263b8936ba3560db05ece894f979f2
https://git.alpinelinux.org/aports/commit/?id=591b1611bea0124839b7a6627050f76ecfffc4a5
https://git.alpinelinux.org/aports/commit/?id=11cfe4dd1666223714141c2462305137c3eface9
https://git.alpinelinux.org/aports/commit/?id=14b8eeb01099ac825f24e7a21e634665d21c9de6
https://git.alpinelinux.org/aports/commit/?id=ea6d9823b57cb8f053d709f860da18ab5fa1c85e
https://git.alpinelinux.org/aports/commit/?id=925b90510d187dfad9d8ecc674f2477a4ebe7213


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.



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