Security Bulletin: IBM Security Verify Access Appliance includes components with known vulnerabilities

Summary

Multiple Security Vulnerabilities were found in the IBM Security Verify Access (ISVA) Appliance Operating System layer. These vulnerabilities have been addressed in ISVA 10.0.5.0, which is linked below.

Vulnerability Details

CVEID:CVE-2022-2526
**DESCRIPTION:**systemd could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free flaw due to the on_stream_io() function and dns_stream_complete() function in “resolved-dns-stream.c” not incrementing the reference counting for the DnsStream object. By sending a specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary code or cause a denial of service condition on the system.
CVSS Base score: 8.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/235161 for the current score.
CVSS Vector: (CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVEID:CVE-2022-24903
**DESCRIPTION:**rsyslog is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by the TCP syslog server (receiver) components. By sending a specially-crafted request, a remote attacker could overflow a buffer and execute arbitrary code on the system.
CVSS Base score: 8.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/225843 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVEID:CVE-2022-28733
**DESCRIPTION:**GNU grub2 could allow a remote attacker to execute arbitrary code on the system, caused by an integer underflow in grub_net_recv_ip4_packets. By sending a specially-crafted IP packet, an attacker could exploit this vulnerability to cause code execution and/or secure boot circumvention.
CVSS Base score: 8.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/228274 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVEID:CVE-2022-28734
**DESCRIPTION:**GNU grub2 could allow a remote attacker to execute arbitrary code on the system, caused by an out-of-bounds write when handling split HTTP headers. By sending a specially-crafted request, an attacker could exploit this vulnerability to cause code execution and/or secure boot circumvention.
CVSS Base score: 7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/228275 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H)

CVEID:CVE-2022-32206
**DESCRIPTION:**cURL libcurl is vulnerable to a denial of service, caused by a flaw in the number of acceptable “links” in the “chained” HTTP compression algorithms. By persuading a victim to connect a specially-crafted server, a remote attacker could exploit this vulnerability to insert a virtually unlimited number of compression steps, and results in a denial of service condition.
CVSS Base score: 4.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/229740 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID:CVE-2022-32208
**DESCRIPTION:**cURL libcurl is vulnerable to a man-in-the-middle attack, caused by a flaw in the handling of message verification failures. An attacker could exploit this vulnerability to launch a man-in-the-middle attack and gain access to the communication channel between endpoints to inject data to the client…
CVSS Base score: 3.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/229742 for the current score.
CVSS Vector: (CVSS:3.0/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N)

CVEID:CVE-2022-1012
**DESCRIPTION:**Linux Kernel could allow a remote attacker to obtain sensitive information, caused by a memory leak flaw in the TCP source port generation algorithm in the net/ipv4/tcp.c function. By sending a specially-crafted request, an attacker could exploit this vulnerability to obtain sensitive information or cause a denial of service condition.
CVSS Base score: 8.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/230055 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H)

CVEID:CVE-2022-25314
**DESCRIPTION:**libexpat could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow in the copyString function. By sending an overly-long argument, an attacker could overflow a buffer and execute arbitrary code on the system.
CVSS Base score: 7.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/219946 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID:CVE-2022-34903
**DESCRIPTION:**GnuPG could allow a remote attacker to conduct spoofing attacks, caused by a flaw when processing secret-key information from keyring. By sending a specially-crafted request to perform injection into the status line, an attacker could exploit this vulnerability to perform signature spoofing.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/230354 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)

CVEID:CVE-2018-25032
**DESCRIPTION:**Zlib is vulnerable to a denial of service, caused by a memory corruption in the deflate operation. By using many distant matches, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/222615 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:CVE-2022-22576
**DESCRIPTION:**cURL libcurl could allow a remote attacker to bypass security restrictions, caused by improper authentication validation when reuse OAUTH2-authenticated connections. By sending a specially-crafted request using user + “other OAUTH2 bearer”, an attacker could exploit this vulnerability to bypass access authentication validation.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/225291 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)

CVEID:CVE-2022-27774
**DESCRIPTION:**cURL libcurl could allow a remote attacker to obtain sensitive information, caused by a flaw in the “same host check” feature during a cross protocol redirects. By sending a specially-crafted request, an attacker could exploit this vulnerability to obtain credentials information, and use this information to launch further attacks against the affected system.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/225294 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

CVEID:CVE-2022-27776
**DESCRIPTION:**cURL libcurl could allow a remote attacker to obtain sensitive information, caused by a flaw when asked to send custom headers or cookies in its HTTP requests. By sending a specially-crafted request, an attacker could exploit this vulnerability to obtain authentication or cookie header data information, and use this information to launch further attacks against the affected system.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/225296 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

CVEID:CVE-2022-1292
**DESCRIPTION:**OpenSSL could allow a remote authenticated attacker to execute arbitrary commands on the system, caused by improper validation of user-supplied input by the c_rehash script. By sending a specially-crafted request using shell metacharacters, an attacker could exploit this vulnerability to execute arbitrary commands with the privileges of the script on the system.
CVSS Base score: 6.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/225619 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L)

CVEID:CVE-2022-2068
**DESCRIPTION:**OpenSSL could allow a remote attacker to execute arbitrary commands on the system, caused by improper validation of user-supplied input by the c_rehash script. By sending a specially-crafted request using shell metacharacters, an attacker could exploit this vulnerability to execute arbitrary commands with the privileges of the script on the system.
CVSS Base score: 7.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/226018 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID:CVE-2022-2097
**DESCRIPTION:**OpenSSL could allow a remote attacker to obtain sensitive information, caused by improper encryption of data by the AES OCB mode for 32-bit x86 platforms using the AES-NI assembly optimised implementation. By sending a specially-crafted request, an attacker could exploit this vulnerability to obtain sensitive information, and use this information to launch further attacks against the affected system.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/230425 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

Affected Products and Versions

Remediation/Fixes

IBM encourages customers to update their systems promptly.

Affected Products and Versions

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Fix availability

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IBM Security Verify Access 10.0.0.0

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10.0.5-ISS-ISVA-FP000

Workarounds and Mitigations

None