Security Bulletin: Vulnerabilities in Golang Go may affect IBM Spectrum Protect Server (CVE-2021-33195, CVE-2021-33197, CVE-2021-36221)

Summary

The IBM Spectrum Protect Server may be affected by Golang Go vulnerabilities such as denial of service, execution of arbitrary code, and bypassing of security restrictions.

Vulnerability Details

CVEID:CVE-2021-33195
**DESCRIPTION:**Golang Go could allow a remote attacker to execute arbitrary code on the system, caused by not following RFC 1035 rules in the LookupCNAME, LookupSRV, LookupMX, LookupNS, and LookupAddr functions in net. By sending a specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 7.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/206601 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-2021-33197
**DESCRIPTION:**Golang Go could allow a remote attacker to bypass security restrictions, caused by a flaw in the ReverseProxy in net/http/httputil. By sending a specially-crafted request, an attacker could exploit this vulnerability to drop arbitrary headers, including those set by the ReverseProxy.Director.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/206603 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-2021-36221
**DESCRIPTION:**Golang Go is vulnerable to a denial of service, caused by a race condition upon an ErrAbortHandler abort. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause a net/http/httputil ReverseProxy panic.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/207036 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)

Affected Products and Versions

Remediation/Fixes

Workarounds and Mitigations

None