Vulnerability identifier: #VU11535
Vulnerability risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-362
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
OpenSSL
Server applications /
Encryption software
Vendor: OpenSSL Software Foundation
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack or modify encrypted connection.
The vulnerability exists due to a race condition in the ssl3_read_bytes() function in OpenSSL. A remote attacker can inject data across sessions or cause a denial of service
Successful exploitation of the vulnerability requires that SSL_MODE_RELEASE_BUFFERS is enabled.
Mitigation
Update to version 1.0.0m or 1.0.1h.
Vulnerable software versions
OpenSSL: 1.0.0 - 1.0.0l, 1.0.1 - 1.0.1g
External links
http://www.openssl.org/news/secadv/20140605.txt
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.