#VU33431 Improper access control
Vulnerability identifier: #VU33431
Vulnerability risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-284
Exploitation vector: Network
Exploit availability: No
Description
The vulnerability allows a remote authenticated user to perform a denial of service (DoS) attack.
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: XML). Supported versions that are affected are 5.6.44 and prior, 5.7.26 and prior and 8.0.16 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).
Mitigation
Install update from vendor's website.
External links
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00037.html
http://packetstormsecurity.com/files/153862/Slackware-Security-Advisory-mariadb-Updates.html
http://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
http://access.redhat.com/errata/RHSA-2019:2484
http://access.redhat.com/errata/RHSA-2019:2511
http://access.redhat.com/errata/RHSA-2019:3708
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A55N3HZ3JZBXHQMGTUHY63FVTDU5ILEV/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CN3JPT5ICOAWQNPFVPVLLYR4TQIX4MXP/
http://seclists.org/bugtraq/2019/Aug/1
http://support.f5.com/csp/article/K03444640
http://support.f5.com/csp/article/K03444640?utm_source=f5support&utm_medium=RSS
http://usn.ubuntu.com/4070-1/
http://usn.ubuntu.com/4070-2/
http://usn.ubuntu.com/4070-3/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
