Medium severity · published Apr 24, 2017
CVE-2017-3305
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: C API)
5.3
CVSS
1.4%
EPSS
No
On KEV
Description
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: C API). Supported versions that are affected are 5.5.55 and earlier and 5.6.35 and earlier. Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all MySQL Server accessible data. CVSS 3.0 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N). NOTE: the previous information is from the April 2017 CPU. Oracle has not commented on third-party claims that this issue allows man-in-the-middle attackers to hijack the authentication of users by leveraging incorrect ordering of security parameter verification in a client, aka, "The Riddle".
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MY
MySQL · Oracle
5.5.0 through 5.5.55; 5.6.0 through 5.6.35 · source: NVD
DL
Debian Linux · Debian
8.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-3305
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-3305
Third Party Advisory
http://riddle.link/
Third Party Advisory
http://www.debian.org/security/2017/dsa-3834
Mailing List
http://www.openwall.com/lists/oss-security/2017/03/17/3
Patch
http://www.oracle.com/technetwork/security-advisory/cpuapr2017-3236618.html
Third Party Advisory
http://www.securityfocus.com/bid/97023
Third Party Advisory
http://www.securitytracker.com/id/1038287
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