Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2015-5590 |
CWE-ID | CWE-121 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
PHP Universal components / Libraries / Scripting languages |
Vendor | PHP Group |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU32406
Risk: Medium
CVSSv3.1: 6.4 [AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2015-5590
CWE-ID:
CWE-121 - Stack-based buffer overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the phar_fix_filepath function in ext/phar/phar.c when processing a large length value, as demonstrated by mishandling of an e-mail attachment by the imap PHP extension. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationThe vendor has issued the following versions to address this vulnerability: 5.4.43, 5.5.27, 5.6.11.
Vulnerable software versionsPHP: 5.4.0 - 5.6.10
External linkshttp://git.php.net/?p=php-src.git;a=commit;h=6dedeb40db13971af45276f80b5375030aa7e76f
http://openwall.com/lists/oss-security/2015/07/18/1
http://www.debian.org/security/2015/dsa-3344
http://www.php.net/ChangeLog-5.php
http://www.securityfocus.com/bid/75970
http://bugs.php.net/bug.php?id=69923
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.