Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2013-4248 |
CWE-ID | CWE-300 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
php5 (Ubuntu package) Operating systems & Components / Operating system package or component |
Vendor | Canonical Ltd. |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU16074
Risk: Low
CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2013-4248
CWE-ID:
CWE-300 - Channel Accessible by Non-Endpoint ('Man-in-the-Middle')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to conduct MITM-attack on the target system.
The weakness exists due to the openssl_x509_parse function in openssl.c in the OpenSSL module in PHP before 5.4.18 and 5.5.x before 5.5.2 does not properly handle a '' character in a domain name in the Subject Alternative Name field of an X.509 certificate. A remote attacker can use man-in-the-middle technique and spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority.
Update the affected packages.
php5 (Ubuntu package): 5.3.2-1ubuntu4.1 - 5.3.10-1ubuntu3.7
External linkshttp://www.ubuntu.com/usn/usn-1937-1/
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.