SB2022091438 - Multiple vulnerabilities in Siemens SINEC INS
Published: September 14, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 15 secuirty vulnerabilities.
1) Command Injection (CVE-ID: CVE-2021-23337)
The vulnerability allows a remote user to execute arbitrary commands on the system.
The vulnerability exists due to improper input validation when processing templates. A remote privileged user can inject and execute arbitrary commands on the system.
2) Resource management error (CVE-ID: CVE-2022-0396)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources within the application that allows TCP connection slots to be consumed for an indefinite time
frame via a specifically crafted TCP stream sent from a client. A remote attacker can initiate a specially crafted TCP stream that can cause connections to BIND to remain in CLOSE_WAIT status for an indefinite period of time, even after the client has terminated the connection.
This issue can only be triggered on BIND servers which have keep-response-order enabled, which is not the default configuration. The keep-response-order option is an ACL block; any hosts which are specified within it will be able to trigger this issue on affected versions.
3) Information disclosure (CVE-ID: CVE-2022-0235)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to the application follows the "Location" HTTP header redirect and passes authorization cookie to a third-party resource. A remote attacker can gain access to sensitive information.
4) Information disclosure (CVE-ID: CVE-2022-0155)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application. A remote attacker can gain unauthorized access to sensitive information on the system.
5) Reliance on Reverse DNS Resolution for a Security-Critical Action (CVE-ID: CVE-2021-25220)
The vulnerability allows a remote attacker to poison DNS cache.
The vulnerability exists due to an error in DNS forwarder implementation. When using forwarders, bogus NS records supplied by, or via, those forwarders may be cached and used by named if it needs to recurse for any reason, causing it to obtain and pass on potentially incorrect answers. The cache could become poisoned with incorrect records leading to
queries being made to the wrong servers, which might also result in
false information being returned to clients.
6) Input validation error (CVE-ID: CVE-2021-25217)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack or gain access to sensitive information.
The vulnerability exists due to insufficient validation of options data stored in DHCP leases. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack or gain access to sensitive information.
Both dhcpd and dhclient are affected by the vulnerability.
7) NULL pointer dereference (CVE-ID: CVE-2021-23841)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error within the X509_issuer_and_serial_hash() function when parsing the issuer field in the X509 certificate. A remote attacker can supply a specially crafted certificate, trigger a NULL pointer dereference error and perform a denial of service (DoS) attack.
8) Cryptographic issues (CVE-ID: CVE-2021-23839)
The vulnerability allows a remote attacker to perform a MitM attack.
The vulnerability exists due to a faulty implementation of the padding check when server is configured to support SSLv2 protocol. A remote attacker can perform a MitM attack and force the server to use less secure protocols.
9) Information disclosure (CVE-ID: CVE-2016-0701)
The vulnerability allows a remote attacker to obtain potentially sensitive information.The vulnerability exists due to DH_check_pub_key() function in crypto/dh/dh_check.c in OpenSSL 1.0.2 before 1.0.2f does not ensure that prime numbers are appropriate for Diffie-Hellman (DH) key exchange, which makes it easier for remote attackers to discover a private DH exponent by making multiple handshakes with a peer that chose an inappropriate number, as demonstrated by a number in an X9.42 file.
10) Cryptographic issues (CVE-ID: CVE-2021-4160)
The vulnerability allows a remote attacker to decrypt TLS traffic.
The vulnerability exists due to BN_mod_exp may produce incorrect results on MIPS. A remote attacker can decrypt TLS traffic. According to vendor, multiple EC algorithms are affected, including some of the TLS 1.3 default curves.
Successful exploitation of the vulnerability requires certain pre-requisites for attack, such as obtaining and reusing private keys.
11) Resource exhaustion (CVE-ID: CVE-2021-3749)
The vulnerability allows a remote attacker to perform a regular expression denial of service (ReDoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources within the isURLSearchParams function in utils.js. A remote attacker can send specially crafted data to the application and perform regular expression denial of service (ReDoS) attack.
12) Incorrect Regular Expression (CVE-ID: CVE-2020-28500)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation when processing regular expressions. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.
13) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2020-28168)
The disclosed vulnerability allows a remote attacker to perform SSRF attacks.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker is able to bypass a proxy by providing a URL that responds with a redirect to a restricted host or IP address and trick the application to initiate requests to arbitrary systems.
Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.
14) Out-of-bounds write (CVE-ID: CVE-2020-12762)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in the "printbuf_memappend". A remote attacker can create a specially crafted JSON file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.
15) Incorrect Regular Expression (CVE-ID: CVE-2020-7793)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation when processing regular expressions. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.
Remediation
Install update from vendor's website.