SB2022092019 - ClevOS update for IBM Cloud Object Storage Systems 



SB2022092019 - ClevOS update for IBM Cloud Object Storage Systems

Published: September 20, 2022 Updated: October 28, 2023

Security Bulletin ID SB2022092019
Severity
High
Patch available
YES
Number of vulnerabilities 36
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 47% Medium 36% Low 17%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 36 secuirty vulnerabilities.


1) Deserialization of Untrusted Data (CVE-ID: CVE-2020-36180)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data related to org.apache.commons.dbcp2.cpdsadapter.DriverAdapterCPDS. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


2) Integer overflow (CVE-ID: CVE-2020-10878)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow related to mishandling of a "PL_regkind[OP(n)] == NOTHING" situation. A remote attacker can use a specially crafted regular expression, trigger integer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


3) Integer overflow (CVE-ID: CVE-2020-10543)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow in nested regular expression quantifiers. A remote attacker can pass specially crafted data to the application, trigger integer overflow, leading to 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.


4) Deserialization of Untrusted Data (CVE-ID: CVE-2020-36185)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data related to org.apache.tomcat.dbcp.dbcp2.datasources.SharedPoolDataSource. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


5) Deserialization of Untrusted Data (CVE-ID: CVE-2020-36181)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data related to org.apache.tomcat.dbcp.dbcp.cpdsadapter.DriverAdapterCPDS. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


6) Deserialization of Untrusted Data (CVE-ID: CVE-2020-36189)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data related to com.newrelic.agent.deps.ch.qos.logback.core.db.DriverManagerConnectionSource. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


7) Deserialization of Untrusted Data (CVE-ID: CVE-2020-36188)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data related to com.newrelic.agent.deps.ch.qos.logback.core.db.JNDIConnectionSource. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


8) Deserialization of Untrusted Data (CVE-ID: CVE-2020-36184)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data related to org.apache.tomcat.dbcp.dbcp2.datasources.PerUserPoolDataSource. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


9) Deserialization of Untrusted Data (CVE-ID: CVE-2020-36183)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data related to org.docx4j.org.apache.xalan.lib.sql.JNDIConnectionPool. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


10) CRLF injection (CVE-ID: CVE-2020-26116)

The vulnerability allows a remote attacker to inject arbitrary data in server response.

The vulnerability exists due to insufficient validation of attacker-supplied data in "http.client". A remote attacker can pass specially crafted data to the application containing CR-LF characters and modify application behavior.


11) Deserialization of Untrusted Data (CVE-ID: CVE-2020-36179)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data related to oadd.org.apache.commons.dbcp.cpdsadapter.DriverAdapterCPDS. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


12) Deserialization of Untrusted Data (CVE-ID: CVE-2020-36187)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data related to org.apache.tomcat.dbcp.dbcp.datasources.SharedPoolDataSource. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


13) Deserialization of Untrusted Data (CVE-ID: CVE-2020-36186)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data related to org.apache.tomcat.dbcp.dbcp.datasources.PerUserPoolDataSource. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


14) Deserialization of Untrusted Data (CVE-ID: CVE-2020-36182)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data related to org.apache.tomcat.dbcp.dbcp2.cpdsadapter.DriverAdapterCPDS. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


15) Deserialization of Untrusted Data (CVE-ID: CVE-2021-20190)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


16) Improper input validation (CVE-ID: CVE-2019-2974)

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: Optimizer component in MySQL Server. A remote authenticated user can exploit this vulnerability to perform a denial of service (DoS) attack.


17) Information disclosure (CVE-ID: CVE-2021-22876)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to libcurl does not strip off user credentials from the URL when automatically populating the Referer: HTTP request header field in outgoing HTTP requests and therefore risks leaking sensitive data to the server that is the target of the second HTTP request.


18) Buffer overflow (CVE-ID: CVE-2020-12723)

The vulnerability allows a remote attacker to perform a denial of service (DoS) áttack.

The vulnerability exists due to a boundary error within the recursive "S_study_chunk" calls. A remote attacker can use a specially crafted regular expression , trigger memory corruption and cause a denial of service condition on the target system.


19) Heap-based buffer overflow (CVE-ID: CVE-2021-3156)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in sudo. A local user can pass specially crafted data to the application, trigger heap-based buffer overflow and execute arbitrary code on the target system with root privileges.



20) Use-after-free (CVE-ID: CVE-2021-3516)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in xmllint. A remote attacker can use a specially crafted file to execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


21) NULL pointer dereference (CVE-ID: CVE-2021-31618)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in mod_http2 in Apache HTTP server. A remote attacker can send specially crafted request to the server and perform a denial of service (DoS) attack.


22) NULL pointer dereference (CVE-ID: CVE-2021-26690)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in mod_session. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.


23) Input validation error (CVE-ID: CVE-2021-30641)

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to incorrect parsing of Apache configuration files. An unexpected section could be matched with 'MergeSlashes OFF' option, leading to a potential security issue.


24) Stack-based buffer overflow (CVE-ID: CVE-2020-35452)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error when processing Digest nounces in mod_auth_digest. A remote unauthenticated attacker can send a specially crafted HTTP request, trigger stack overflow by one nul byte and crash the server.


25) XML External Entity injection (CVE-ID: CVE-2020-25649)

The vulnerability allows a remote attacker to modify information on the system.

The vulnerability exists due to insufficient validation of user-supplied XML input. A remote attacker can pass a specially crafted XML code to the affected application and modify information on the system.


26) Use-after-free (CVE-ID: CVE-2021-3518)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in libxml2. A remote attacker can use a specially crafted file and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


27) Out-of-bounds read (CVE-ID: CVE-2020-10769)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition within the crypto_authenc_extractkeys() function in crypto/authenc.c in the IPsec Cryptographic algorithm's module "authenc". A local low-privileged user can run a specially crafted program to trigger an out-of-bounds read error and crash the system.


28) Expired pointer dereference (CVE-ID: CVE-2020-8231)

The vulnerability allows an attacker to gain access to sensitive information.

The vulnerability exists due to expired pointer dereference error for CURLOPT_CONNECT_ONLY connections that may lead to information disclosure. If the application is using the CURLOPT_CONNECT_ONLY option to check if the website is accessible, an attacker might abuse this feature and force the application to re-use expired connection and send data intended to another connection to attacker controlled server.


29) Open redirect (CVE-ID: CVE-2020-1927)

The vulnerability allows a remote attacker to redirect victims to arbitrary URL.

The vulnerability exists due to improper sanitization of user-supplied data in some "mod_rewrite" configurations. A remote attacker can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary domain.

Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.


30) Use of Uninitialized Variable (CVE-ID: CVE-2020-1934)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to the "mod_proxy_ftp" may use uninitialized memory when proxying to a malicious FTP server. A remote attacker can gain unauthorized access to sensitive information on the target system.


31) Information disclosure (CVE-ID: CVE-2020-8284)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to the way cURL handles PASV responses. A remote attacker with control over malicious FTP server can use the PASV response to trick curl into connecting back to a given IP address and port, and this way potentially make curl extract information about services that are otherwise private and not disclosed, for example doing port scanning and service banner extractions.


32) Improper Check for Certificate Revocation (CVE-ID: CVE-2020-8286)

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to incorrectly implemented checks for OCSP stapling. A remote attacker can provide a fraudulent OCSP response that would appear fine, instead of the real one.


33) Uncontrolled Recursion (CVE-ID: CVE-2020-8285)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due tu uncontrolled recursion when processing FTP responses within the wildcard matching functionality, which allows a callback (set with <a href="https://curl.se/libcurl/c/CURLOPT_CHUNK_BGN_FUNCTION.html">CURLOPT_CHUNK_BGN_FUNCTION</a>) to return information back to libcurl on how to handle a specific entry in a directory when libcurl iterates over a list of all available entries. A remote attacker who controls the malicious FTP server can trick the victim to connect to it and crash the application, which is using the affected libcurl version.


34) Out-of-bounds write (CVE-ID: CVE-2020-14393)

The vulnerability allows a local authenticated user to #BASIC_IMPACT#.

A buffer overflow was found in perl-DBI < 1.643 in DBI.xs. A local attacker who is able to supply a string longer than 300 characters could cause an out-of-bounds write, affecting the availability of the service or integrity of data.


35) Uncontrolled Memory Allocation (CVE-ID: CVE-2021-33910)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to stack exhaustion within the basic/unit-name.c in systemd. A local user can crash the systemd (PID 1) and cause a kernel panic.


36) Buffer overflow (CVE-ID: CVE-2020-26691)

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to a boundary error in Apache httpd mod_session. A remote attacker can pass a specially crafted file, trigger memory corruption and perform a denial of service attack.


Remediation

Install update from vendor's website.