Risk | Critical |
Patch available | YES |
Number of vulnerabilities | 2 |
CVE-ID | CVE-2015-5122 CVE-2015-5123 |
CWE-ID | CWE-119 |
Exploitation vector | Network |
Public exploit |
Vulnerability #1 is being exploited in the wild. Vulnerability #2 is being exploited in the wild. |
Vulnerable software Subscribe |
Red Hat Enterprise Linux Desktop Operating systems & Components / Operating system Red Hat Enterprise Linux Workstation Operating systems & Components / Operating system Red Hat Enterprise Linux Server Operating systems & Components / Operating system |
Vendor | Red Hat Inc. |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
EUVDB-ID: #VU5468
Risk: Critical
CVSSv3.1: 9.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]
CVE-ID: CVE-2015-5122
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists due to use-after-free error in the ActionScript 3 opaqueBackground class. A remote attacker can create a specially crafted Web site, trick the victim into visiting it, trigger memory corruption and execute arbitrary code with privileges of the current user.
Successful exploitation results in arbitrary code execution on the vulnerable system.
Note: the vulnerability was being actively exploited.
Install updates from vendor's website.
Red Hat Enterprise Linux Desktop: 5 - 6
Red Hat Enterprise Linux Workstation: 6
Red Hat Enterprise Linux Server: 6.0 - v.5
CPE2.3http://access.redhat.com/errata/RHSA-2015:1235
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?
Yes. This vulnerability is being exploited in the wild.
EUVDB-ID: #VU5469
Risk: Critical
CVSSv3.1: 9.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]
CVE-ID: CVE-2015-5123
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists due to use-after-free error in the ActionScript 3 BitmapData class. A remote attacker can create a specially crafted Web site, trick the victim into visiting it, trigger memory corruption and execute arbitrary code with privileges of the current user.
Successful exploitation results in arbitrary code execution on the vulnerable system.
Note: the vulnerability was being actively exploited.
Install updates from vendor's website.
Red Hat Enterprise Linux Desktop: 5 - 6
Red Hat Enterprise Linux Workstation: 6
Red Hat Enterprise Linux Server: 6.0 - v.5
CPE2.3http://access.redhat.com/errata/RHSA-2015:1235
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?
Yes. This vulnerability is being exploited in the wild.