Command go env is documented as outputting a shell script containing the Go environment. However, go env doesn't sanitize values, so executing its output as a shell script can cause various bad bahaviors, including executing arbitrary commands or inserting new environment variables. This issue is relatively minor because, in general, if an attacker can set arbitrary environment variables on a system, they have better attack vectors than making "go env" print them out.

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7109-1 advisory.

    Philippe Antoine discovered that Go incorrectly handled crafted HTTP/2 streams. An attacker could possibly     use this issue to cause a denial of service. (CVE-2022-41723)

    Marten Seemann discovered that Go did not properly manage memory under certain circumstances. An attacker     could possibly use this issue to cause a panic resulting in a denial of service. (CVE-2022-41724)

    Ameya Darshan and Jakob Ackermann discovered that Go did not properly validate the amount of memory and     disk files ReadForm can consume. An attacker could possibly use this issue to cause a panic resulting in a     denial of service. (CVE-2022-41725)

    Hunter Wittenborn discovered that Go incorrectly handled the sanitization of environment variables. An     attacker could possibly use this issue to run arbitrary commands. (CVE-2023-24531)

    Jakob Ackermann discovered that Go incorrectly handled multipart forms. An attacker could possibly use     this issue to consume an excessive amount of resources, resulting in a denial of service. (CVE-2023-24536)

    Juho Nurminen discovered that Go incorrectly handled certain special characters in directory or file     paths. An attacker could possibly use this issue to inject code into the resulting binaries.
    (CVE-2023-29402)

    Vincent Dehors discovered that Go incorrectly handled permission bits. An attacker could possibly use this     issue to read or write files with elevated privileges. (CVE-2023-29403)

    Juho Nurminen discovered that Go incorrectly handled certain compiler directives. An attacker could     possibly use this issue to execute arbitrary code. (CVE-2023-29404)

    Juho Nurminen discovered that Go incorrectly handled certain crafted arguments. An attacker could possibly     use this issue to execute arbitrary code at build time. (CVE-2023-29405)

    Bartek Nowotarski discovered that Go incorrectly validated the contents of host headers. A remote attacker     could possibly use this issue to inject additional headers or entire requests. (CVE-2023-29406)

    Takeshi Kaneko discovered that Go did not properly handle comments and special tags in the script context     of html/template module. An attacker could possibly use this issue to inject Javascript code and perform a     cross-site scripting attack. (CVE-2023-39318, CVE-2023-39319)

    It was discovered that Go did not properly validate the //go:cgo_ directives during compilation. An     attacker could possibly use this issue to inject arbitrary code during compile time. (CVE-2023-39323)

    It was discovered that Go did not limit the number of simultaneously executing handler goroutines in the     net/http module. An attacker could possibly use this issue to cause a panic resulting in a denial of     service. (CVE-2023-39325)

    Bartek Nowotarski was discovered that the Go net/http module did not properly handle the requests when     request's headers exceed MaxHeaderBytes. An attacker could possibly use this issue to cause a panic     resulting into a denial of service. (CVE-2023-45288)

    Bartek Nowotarski discovered that the Go net/http module did not properly validate the total size of the     parsed form when parsing a multipart form. An attacker could possibly use this issue to cause a panic     resulting into a denial of service. (CVE-2023-45290)

    John Howard discovered that the Go crypto/x509 module did not properly handle a certificate chain which     contains a certificate with an unknown public key algorithm. An attacker could possibly use this issue to     cause a panic resulting into a denial of service. (CVE-2024-24783)

    Juho Nurminen discovered that the Go net/mail module did not properly handle comments within display names     in the ParseAddressList function. An attacker could possibly use this issue to cause a panic resulting     into a denial of service. (CVE-2024-24784)

    It was discovered that the Go html/template module did not validate errors returned from MarshalJSON     methods. An attacker could possibly use this issue to inject arbitrary code into the Go template.
    (CVE-2024-24785)

    Yufan You discovered that the Go archive/zip module did not properly handle certain types of invalid zip     files differs from the behavior of most zip implementations. An attacker could possibly use this issue to     cause a panic resulting into a denial of service. (CVE-2024-24789)

    Enze Wang and Jianjun Chen discovered that the Go net/netip module did not work as expected for     IPv4-mapped IPv6 addresses in various Is methods. An attacker could possibly use this issue to cause a     panic resulting into a denial of service. (CVE-2024-24790)

    Geoff Franks discovered that the Go net/http module did not properly handle responses to requests with an     Expect: 100-continue header under certain circumstances. An attacker could possibly use this issue to     cause a denial of service. (CVE-2024-24791)

    It was discovered that the Go parser module did not properly handle deeply nested literal values. An     attacker could possibly use this issue to cause a panic resulting in a denial of service. (CVE-2024-34155)

    Md Sakib Anwar discovered that the Go encoding/gob module did not properly handle message decoding under     certain circumstances. An attacker could possibly use this issue to cause a panic resulting in a denial of     service. (CVE-2024-34156)

    It was discovered that the Go build module did not properly handle certain build tag lines with deeply     nested expressions. An attacker could possibly use this issue to cause a panic resulting in a denial of     service. (CVE-2024-34158)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Ubuntu 22.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7061-1 advisory.

    Hunter Wittenborn discovered that Go incorrectly handled the sanitization of environment variables. An     attacker could possibly use this issue to run arbitrary commands. (CVE-2023-24531)

    Sohom Datta discovered that Go did not properly validate backticks (`) as Javascript string delimiters,     and did not escape them as expected. An attacker could possibly use this issue to inject arbitrary     Javascript code into the Go template. (CVE-2023-24538)

    Juho Nurminen discovered that Go incorrectly handled certain special characters in directory or file     paths. An attacker could possibly use this issue to inject code into the resulting binaries.
    (CVE-2023-29402)

    Vincent Dehors discovered that Go incorrectly handled permission bits. An attacker could possibly use this     issue to read or write files with elevated privileges. (CVE-2023-29403)

    Juho Nurminen discovered that Go incorrectly handled certain crafted arguments. An attacker could possibly     use this issue to execute arbitrary code at build time. (CVE-2023-29405)

    It was discovered that Go incorrectly validated the contents of host headers. A remote attacker could     possibly use this issue to inject additional headers or entire requests. (CVE-2023-29406)

    Takeshi Kaneko discovered that Go did not properly handle comments and special tags in the script context     of html/template module. An attacker could possibly use this issue to inject Javascript code and perform a     cross-site scripting attack. (CVE-2023-39318, CVE-2023-39319)

    It was discovered that Go did not limit the number of simultaneously executing handler goroutines in the     net/http module. An attacker could possibly use this issue to cause a panic resulting in a denial of     service. (CVE-2023-39325)

    It was discovered that the Go html/template module did not validate errors returned from MarshalJSON     methods. An attacker could possibly use this issue to inject arbitrary code into the Go template.
    (CVE-2024-24785)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

An update of the go package has been released.

ID	Name	Product	Family	Severity
210950	Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS : Go vulnerabilities (USN-7109-1)	Nessus	Ubuntu Local Security Checks	critical
208702	Ubuntu 22.04 LTS : Go vulnerabilities (USN-7061-1)	Nessus	Ubuntu Local Security Checks	critical
206342	Photon OS 3.0: Go PHSA-2024-3.0-0785	Nessus	PhotonOS Local Security Checks	critical

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CVE-2023-24531

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