SB2020041716 - Multiple vulnerabilities in MySQL Server
Published: April 17, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 37 secuirty vulnerabilities.
1) Improper input validation (CVE-ID: CVE-2020-2922)
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
The vulnerability exists due to improper input validation within the C API component in MySQL Client. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.
2) Improper input validation (CVE-ID: CVE-2020-2930)
The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Server: Parser component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.
3) Improper input validation (CVE-ID: CVE-2020-2921)
The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Server: Group Replication Plugin component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.
4) Improper input validation (CVE-ID: CVE-2020-2926)
The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Server: Group Replication GCS component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.
5) Cryptographic issues (CVE-ID: CVE-2019-1547)
The vulnerability allows a remote attacker to decrypt traffic.
The vulnerability exists due to insufficient enforcement of side channel resistant code paths. A remote attacker with ability to create a large number of signatures, where explicit parameters with no co-factor is present, can force the application to fall back to non-side channel resistant code pathsduring ECDSA signature operation and perform full key recovery.
Successful exploitation of the vulnerability may allow an attacker to decrypt communication between server and client.
6) Improper input validation (CVE-ID: CVE-2020-2812)
The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Server: Stored Procedure component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.
7) Improper input validation (CVE-ID: CVE-2020-2779)
The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Server: Security: Privileges component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.
8) Improper input validation (CVE-ID: CVE-2020-2853)
The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Server: Security: Privileges component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.
9) Improper input validation (CVE-ID: CVE-2020-2774)
The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Server: Security: Privileges component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.
10) Improper input validation (CVE-ID: CVE-2020-2761)
The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Server: Security: Privileges component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.
11) Improper input validation (CVE-ID: CVE-2020-2763)
The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Server: Replication component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.
12) Improper input validation (CVE-ID: CVE-2020-2759)
The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Server: Replication component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.
13) Improper input validation (CVE-ID: CVE-2020-2925)
The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Server: PS component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.
14) Improper input validation (CVE-ID: CVE-2020-2904)
The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Server: Optimizer component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.
15) Improper input validation (CVE-ID: CVE-2020-2928)
The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Server: Optimizer component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.
16) Improper input validation (CVE-ID: CVE-2020-2901)
The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Server: Optimizer component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.
17) Improper input validation (CVE-ID: CVE-2020-2924)
The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Server: Optimizer component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.
18) Improper input validation (CVE-ID: CVE-2020-2923)
The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Server: Optimizer component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.
19) Improper input validation (CVE-ID: CVE-2020-2897)
The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Server: Optimizer component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.
20) Improper input validation (CVE-ID: CVE-2020-2892)
The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Server: Optimizer component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.
21) Improper input validation (CVE-ID: CVE-2020-2765)
The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Server: Optimizer component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.
22) Improper input validation (CVE-ID: CVE-2020-2770)
The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Server: Logging component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.
23) Improper input validation (CVE-ID: CVE-2020-2896)
The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Server: Information Schema component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.
24) Improper input validation (CVE-ID: CVE-2020-2903)
The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Server: Connection Handling component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.
25) Improper input validation (CVE-ID: CVE-2020-2898)
The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Server: Charsets component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.
26) Improper input validation (CVE-ID: CVE-2020-2895)
The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the InnoDB component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.
27) Improper input validation (CVE-ID: CVE-2020-2893)
The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the InnoDB component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.
28) Improper input validation (CVE-ID: CVE-2020-2814)
The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the InnoDB component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.
29) Improper input validation (CVE-ID: CVE-2020-2762)
The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the InnoDB component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.
30) Improper input validation (CVE-ID: CVE-2020-2806)
The vulnerability allows a remote authenticated user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Server: Compiling component in MySQL Server. A remote authenticated user can exploit this vulnerability to perform a denial of service (DoS) attack.
31) Improper input validation (CVE-ID: CVE-2020-2752)
The vulnerability allows a remote authenticated user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the C API component in MySQL Client. A remote authenticated user can exploit this vulnerability to perform a denial of service (DoS) attack.
32) Improper input validation (CVE-ID: CVE-2020-2760)
The vulnerability allows a remote privileged user to damange or delete data.
The vulnerability exists due to improper input validation within the InnoDB component in MySQL Server. A remote privileged user can exploit this vulnerability to damange or delete data.
33) Improper input validation (CVE-ID: CVE-2020-2804)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Server: Memcached component in MySQL Server. A remote non-authenticated attacker can exploit this vulnerability to perform a denial of service (DoS) attack.
34) Improper input validation (CVE-ID: CVE-2020-2790)
The vulnerability allows a remote authenticated user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Server: Pluggable Auth component in MySQL Server. A remote authenticated user can exploit this vulnerability to perform a denial of service (DoS) attack.
35) Improper input validation (CVE-ID: CVE-2020-2780)
The vulnerability allows a remote authenticated user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Server: DML component in MySQL Server. A remote authenticated user can exploit this vulnerability to perform a denial of service (DoS) attack.
36) Input validation error (CVE-ID: CVE-2019-15601)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to insufficient validation of user-supplied URL. A remote attacker can pass URL to the SMB share using the "file://" URI handler and read arbitrary files from local resources.
Example: file://localhost//hostname/home/secret.txt
Note, this issue affects Windows installations only.
37) Heap-based buffer overflow (CVE-ID: CVE-2019-5482)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the tftp_receive_packet() function when processing TFTP data. A remote attacker can send specially crafted TFTP response to the vulnerable curl client, trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.