The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:3042 advisory.

    Rust Toolset provides the Rust programming language compiler rustc, the cargo build tool and dependency     manager, the cargo-vendor plugin, and required libraries.

    The following packages have been upgraded to a later upstream version: rust-toolset-1.52-rust (1.52.1).
    (BZ#1947197)

    Security Fix(es):

    * rust: optimization for joining strings can cause uninitialized bytes to be exposed (CVE-2020-36323)

    * rust: heap-based buffer overflow in read_to_end() because it does not validate the return value from     Read in an unsafe context (CVE-2021-28875)

    * rust: panic safety issue in Zip implementation (CVE-2021-28876)

    * rust: memory safety violation in Zip implementation for nested iter::Zips (CVE-2021-28877)

    * rust: memory safety violation in Zip implementation when next_back() and next() are used together     (CVE-2021-28878)

    * rust: integer overflow in the Zip implementation can lead to a buffer overflow (CVE-2021-28879)

    * rust: double free in Vec::from_iter function if freeing the element panics (CVE-2021-31162)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    For information on usage, see Using Rust Toolset linked in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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 Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2021:3063 advisory.

  - In the standard library in Rust before 1.52.0, there is an optimization for joining strings that can cause     uninitialized bytes to be exposed (or the program to crash) if the borrowed string changes after its     length is checked. (CVE-2020-36323)

  - In the standard library in Rust before 1.50.0, read_to_end() does not validate the return value from Read     in an unsafe context. This bug could lead to a buffer overflow. (CVE-2021-28875)

  - In the standard library in Rust before 1.52.0, the Zip implementation has a panic safety issue. It calls
    __iterator_get_unchecked() more than once for the same index when the underlying iterator panics (in     certain conditions). This bug could lead to a memory safety violation due to an unmet safety requirement     for the TrustedRandomAccess trait. (CVE-2021-28876)

  - In the standard library in Rust before 1.51.0, the Zip implementation calls __iterator_get_unchecked() for     the same index more than once when nested. This bug can lead to a memory safety violation due to an unmet     safety requirement for the TrustedRandomAccess trait. (CVE-2021-28877)

  - In the standard library in Rust before 1.52.0, the Zip implementation calls __iterator_get_unchecked()     more than once for the same index (under certain conditions) when next_back() and next() are used     together. This bug could lead to a memory safety violation due to an unmet safety requirement for the     TrustedRandomAccess trait. (CVE-2021-28878)

  - In the standard library in Rust before 1.52.0, the Zip implementation can report an incorrect size due to     an integer overflow. This bug can lead to a buffer overflow when a consumed Zip iterator is used again.
    (CVE-2021-28879)

  - In the standard library in Rust before 1.52.0, a double free can occur in the Vec::from_iter function if     freeing the element panics. (CVE-2021-31162)

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

The remote host is affected by the vulnerability described in GLSA-202210-09 (Rust: Multiple Vulnerabilities)

  - In the standard library in Rust before 1.50.0, read_to_end() does not validate the return value from Read     in an unsafe context. This bug could lead to a buffer overflow. (CVE-2021-28875)

  - In the standard library in Rust before 1.52.0, the Zip implementation has a panic safety issue. It calls
    __iterator_get_unchecked() more than once for the same index when the underlying iterator panics (in     certain conditions). This bug could lead to a memory safety violation due to an unmet safety requirement     for the TrustedRandomAccess trait. (CVE-2021-28876)

  - In the standard library in Rust before 1.51.0, the Zip implementation calls __iterator_get_unchecked() for     the same index more than once when nested. This bug can lead to a memory safety violation due to an unmet     safety requirement for the TrustedRandomAccess trait. (CVE-2021-28877)

  - In the standard library in Rust before 1.52.0, the Zip implementation calls __iterator_get_unchecked()     more than once for the same index (under certain conditions) when next_back() and next() are used     together. This bug could lead to a memory safety violation due to an unmet safety requirement for the     TrustedRandomAccess trait. (CVE-2021-28878)

  - In the standard library in Rust before 1.52.0, the Zip implementation can report an incorrect size due to     an integer overflow. This bug can lead to a buffer overflow when a consumed Zip iterator is used again.
    (CVE-2021-28879)

  - library/std/src/net/parser.rs in Rust before 1.53.0 does not properly consider extraneous zero characters     at the beginning of an IP address string, which (in some situations) allows attackers to bypass access     control that is based on IP addresses, because of unexpected octal interpretation. (CVE-2021-29922)

  - In the standard library in Rust before 1.52.0, a double free can occur in the Vec::from_iter function if     freeing the element panics. (CVE-2021-31162)

  - Dell EMC Avamar Server version 19.4 contains a plain-text password storage vulnerability in AvInstaller. A     local attacker could potentially exploit this vulnerability, leading to the disclosure of certain user     credentials. The attacker may be able to use the exposed credentials to access the vulnerable application     with privileges of the compromised account. (CVE-2021-36317)

  - Dell EMC Avamar versions 18.2,19.1,19.2,19.3,19.4 contain a plain-text password storage vulnerability. A     high privileged user could potentially exploit this vulnerability, leading to a complete outage.
    (CVE-2021-36318)

  - ** DISPUTED ** An issue was discovered in the Bidirectional Algorithm in the Unicode Specification through     14.0. It permits the visual reordering of characters via control sequences, which can be used to craft     source code that renders different logic than the logical ordering of tokens ingested by compilers and     interpreters. Adversaries can leverage this to encode source code for compilers accepting Unicode such     that targeted vulnerabilities are introduced invisibly to human reviewers. NOTE: the Unicode Consortium     offers the following alternative approach to presenting this concern. An issue is noted in the nature of     international text that can affect applications that implement support for The Unicode Standard and the     Unicode Bidirectional Algorithm (all versions). Due to text display behavior when text includes left-to-     right and right-to-left characters, the visual order of tokens may be different from their logical order.
    Additionally, control characters needed to fully support the requirements of bidirectional text can     further obfuscate the logical order of tokens. Unless mitigated, an adversary could craft source code such     that the ordering of tokens perceived by human reviewers does not match what will be processed by a     compiler/interpreter/etc. The Unicode Consortium has documented this class of vulnerability in its     document, Unicode Technical Report #36, Unicode Security Considerations. The Unicode Consortium also     provides guidance on mitigations for this class of issues in Unicode Technical Standard #39, Unicode     Security Mechanisms, and in Unicode Standard Annex #31, Unicode Identifier and Pattern Syntax. Also, the     BIDI specification allows applications to tailor the implementation in ways that can mitigate misleading     visual reordering in program text; see HL4 in Unicode Standard Annex #9, Unicode Bidirectional Algorithm.
    (CVE-2021-42574)

  - ** DISPUTED ** An issue was discovered in the character definitions of the Unicode Specification through     14.0. The specification allows an adversary to produce source code identifiers such as function names     using homoglyphs that render visually identical to a target identifier. Adversaries can leverage this to     inject code via adversarial identifier definitions in upstream software dependencies invoked deceptively     in downstream software. NOTE: the Unicode Consortium offers the following alternative approach to     presenting this concern. An issue is noted in the nature of international text that can affect     applications that implement support for The Unicode Standard (all versions). Unless mitigated, an     adversary could produce source code identifiers using homoglyph characters that render visually identical     to but are distinct from a target identifier. In this way, an adversary could inject adversarial     identifier definitions in upstream software that are not detected by human reviewers and are invoked     deceptively in downstream software. The Unicode Consortium has documented this class of security     vulnerability in its document, Unicode Technical Report #36, Unicode Security Considerations. The Unicode     Consortium also provides guidance on mitigations for this class of issues in Unicode Technical Standard     #39, Unicode Security Mechanisms. (CVE-2021-42694)

  - Rust is a multi-paradigm, general-purpose programming language designed for performance and safety,     especially safe concurrency. The Rust Security Response WG was notified that the `std::fs::remove_dir_all`     standard library function is vulnerable a race condition enabling symlink following (CWE-363). An attacker     could use this security issue to trick a privileged program into deleting files and directories the     attacker couldn't otherwise access or delete. Rust 1.0.0 through Rust 1.58.0 is affected by this     vulnerability with 1.58.1 containing a patch. Note that the following build targets don't have usable APIs     to properly mitigate the attack, and are thus still vulnerable even with a patched toolchain: macOS before     version 10.10 (Yosemite) and REDOX. We recommend everyone to update to Rust 1.58.1 as soon as possible,     especially people developing programs expected to run in privileged contexts (including system daemons and     setuid binaries), as those have the highest risk of being affected by this. Note that adding checks in     your codebase before calling remove_dir_all will not mitigate the vulnerability, as they would also be     vulnerable to race conditions like remove_dir_all itself. The existing mitigation is working as intended     outside of race conditions. (CVE-2022-21658)

  - Cargo is a package manager for the rust programming language. After a package is downloaded, Cargo     extracts its source code in the ~/.cargo folder on disk, making it available to the Rust projects it     builds. To record when an extraction is successful, Cargo writes ok to the .cargo-ok file at the root of     the extracted source code once it extracted all the files. It was discovered that Cargo allowed packages     to contain a .cargo-ok symbolic link, which Cargo would extract. Then, when Cargo attempted to write ok     into .cargo-ok, it would actually replace the first two bytes of the file the symlink pointed to with ok.
    This would allow an attacker to corrupt one file on the machine using Cargo to extract the package. Note     that by design Cargo allows code execution at build time, due to build scripts and procedural macros. The     vulnerabilities in this advisory allow performing a subset of the possible damage in a harder to track     down way. Your dependencies must still be trusted if you want to be protected from attacks, as it's     possible to perform the same attacks with build scripts and procedural macros. The vulnerability is     present in all versions of Cargo. Rust 1.64, to be released on September 22nd, will include a fix for it.
    Since the vulnerability is just a more limited way to accomplish what a malicious build scripts or     procedural macros can do, we decided not to publish Rust point releases backporting the security fix.
    Patch files are available for Rust 1.63.0 are available in the wg-security-response repository for people     building their own toolchain. Mitigations We recommend users of alternate registries to exercise care in     which package they download, by only including trusted dependencies in their projects. Please note that     even with these vulnerabilities fixed, by design Cargo allows arbitrary code execution at build time     thanks to build scripts and procedural macros: a malicious dependency will be able to cause damage     regardless of these vulnerabilities. crates.io implemented server-side checks to reject these kinds of     packages years ago, and there are no packages on crates.io exploiting these vulnerabilities. crates.io     users still need to exercise care in choosing their dependencies though, as remote code execution is     allowed by design there as well. (CVE-2022-36113)

  - Cargo is a package manager for the rust programming language. It was discovered that Cargo did not limit     the amount of data extracted from compressed archives. An attacker could upload to an alternate registry a     specially crafted package that extracts way more data than its size (also known as a zip bomb),     exhausting the disk space on the machine using Cargo to download the package. Note that by design Cargo     allows code execution at build time, due to build scripts and procedural macros. The vulnerabilities in     this advisory allow performing a subset of the possible damage in a harder to track down way. Your     dependencies must still be trusted if you want to be protected from attacks, as it's possible to perform     the same attacks with build scripts and procedural macros. The vulnerability is present in all versions of     Cargo. Rust 1.64, to be released on September 22nd, will include a fix for it. Since the vulnerability is     just a more limited way to accomplish what a malicious build scripts or procedural macros can do, we     decided not to publish Rust point releases backporting the security fix. Patch files are available for     Rust 1.63.0 are available in the wg-security-response repository for people building their own toolchain.
    We recommend users of alternate registries to excercise care in which package they download, by only     including trusted dependencies in their projects. Please note that even with these vulnerabilities fixed,     by design Cargo allows arbitrary code execution at build time thanks to build scripts and procedural     macros: a malicious dependency will be able to cause damage regardless of these vulnerabilities. crates.io     implemented server-side checks to reject these kinds of packages years ago, and there are no packages on     crates.io exploiting these vulnerabilities. crates.io users still need to excercise care in choosing their     dependencies though, as the same concerns about build scripts and procedural macros apply here.
    (CVE-2022-36114)

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

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-3063 advisory.

    - Update to 1.52.1. Includes security fixes for CVE-2020-36323,       CVE-2021-28876, CVE-2021-28878, CVE-2021-28879, and CVE-2021-31162.
    - Update to 1.51.0. Update to 1.51.0. Includes security fixes for       CVE-2021-28875 and CVE-2021-28877.

Tenable has extracted the preceding description block directly from the Oracle Linux 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 Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:3063 advisory.

    Rust Toolset provides the Rust programming language compiler rustc, the cargo build tool and dependency     manager, and required libraries.

    The following packages have been upgraded to a later upstream version: rust (1.52.1). (BZ#1953002)

    Security Fix(es):

    * rust: optimization for joining strings can cause uninitialized bytes to be exposed (CVE-2020-36323)

    * rust: heap-based buffer overflow in read_to_end() because it does not validate the return value from     Read in an unsafe context (CVE-2021-28875)

    * rust: panic safety issue in Zip implementation (CVE-2021-28876)

    * rust: memory safety violation in Zip implementation for nested iter::Zips (CVE-2021-28877)

    * rust: memory safety violation in Zip implementation when next_back() and next() are used together     (CVE-2021-28878)

    * rust: integer overflow in the Zip implementation can lead to a buffer overflow (CVE-2021-28879)

    * rust: double free in Vec::from_iter function if freeing the element panics (CVE-2021-31162)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    For information on usage, see Using Rust Toolset linked in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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 CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2021:3063 advisory.

  - rust: optimization for joining strings can cause uninitialized bytes to be exposed (CVE-2020-36323)

  - rust: heap-based buffer overflow in read_to_end() because it does not validate the return value from Read     in an unsafe context (CVE-2021-28875)

  - rust: panic safety issue in Zip implementation (CVE-2021-28876)

  - rust: memory safety violation in Zip implementation for nested iter::Zips (CVE-2021-28877)

  - rust: memory safety violation in Zip implementation when next_back() and next() are used together     (CVE-2021-28878)

  - rust: integer overflow in the Zip implementation can lead to a buffer overflow (CVE-2021-28879)

  - rust: double free in Vec::from_iter function if freeing the element panics (CVE-2021-31162)

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

ID	Name	Product	Family	Published	Updated	Severity
152446	RHEL 7 : rust-toolset-1.52 and rust-toolset-1.52-rust (RHSA-2021:3042)	Nessus	Red Hat Local Security Checks	8/11/2021	11/7/2024	critical
157792	Rocky Linux 8 : rust-toolset:rhel8 (RLSA-2021:3063)	Nessus	Rocky Linux Local Security Checks	2/9/2022	11/9/2023	critical
166161	GLSA-202210-09 : Rust: Multiple Vulnerabilities	Nessus	Gentoo Local Security Checks	10/16/2022	10/9/2023	critical
152509	Oracle Linux 8 : rust-toolset:ol8 (ELSA-2021-3063)	Nessus	Oracle Linux Local Security Checks	8/12/2021	11/1/2024	critical
152449	RHEL 8 : rust-toolset:rhel8 (RHSA-2021:3063)	Nessus	Red Hat Local Security Checks	8/11/2021	11/7/2024	critical
152574	CentOS 8 : rust-toolset:rhel8 (CESA-2021:3063)	Nessus	CentOS Local Security Checks	8/16/2021	12/4/2023	critical

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