Buffer overflow in php7 (Alpine package)



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-9641
CWE-ID CWE-119
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 high risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU31148

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-9641

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

An issue was discovered in the EXIF component in PHP before 7.1.27, 7.2.x before 7.2.16, and 7.3.x before 7.3.3. There is an uninitialized read in exif_process_IFD_in_TIFF.

Mitigation

Install update from vendor's website.

Vulnerable software versions

php7 (Alpine package): 7.1.17-r0 - 7.2.13-r0

CPE2.3 External links

http://git.alpinelinux.org/aports/commit/?id=88eca856b3813d00e3184daba896baacadfe5837
http://git.alpinelinux.org/aports/commit/?id=ebcd3398f2d6e6f536fbfeaba9cc3b84ac377251
http://git.alpinelinux.org/aports/commit/?id=583c0d55e9e7208425dd53eb1739a7010b6b0dbc
http://git.alpinelinux.org/aports/commit/?id=7c1daf27a04307093cef0fcb3f1c5ab4bb68eee1
http://git.alpinelinux.org/aports/commit/?id=d42b915a2245405763bb485ededfbdb01393f109


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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