CVE-2015-4643

Publication date 18 June 2015

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

Integer overflow in the ftp_genlist function in ext/ftp/ftp.c in PHP before 5.4.42, 5.5.x before 5.5.26, and 5.6.x before 5.6.10 allows remote FTP servers to execute arbitrary code via a long reply to a LIST command, leading to a heap-based buffer overflow. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-4022.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
php5	15.04 vivid	Fixed 5.6.4+dfsg-4ubuntu6.2
	14.10 utopic	Fixed 5.5.12+dfsg-2ubuntu4.6
	14.04 LTS trusty	Fixed 5.5.9+dfsg-1ubuntu4.11
	12.04 LTS precise	Fixed 5.3.10-1ubuntu3.19

Notes

mdeslaur

improved fix for CVE-2015-4022

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
php5	Upstream: http://git.php.net/?p=php-src.git;a=commit;h=0765623d6991b62ffcd93ddb6be8a5203a2fa7e2

Severity score breakdown

Parameter	Value
Base score	9.8 · Critical
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-2658-1
PHP vulnerabilities
6 July 2015