The version of gcc installed on the remote host is prior to 7.3.1-17. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2023-2245 advisory.

    2023-09-13: The severity of this advisory was corrected from low to medium.

    An issue was found in a defense in depth feature of the GCC compiler on aarch64 platforms. The stack     protector feature (-fstack-protector) did not detect or defend against overflows of dynamically-sized     local variables. This update to the GCC compiler remedies code generation for this defense in depth     feature, ensuring it is working as intended.Customers building their own binaries with GCC are advised to     update their compiler, and to ensure they are enabling the defense in depth options available to them,     such as the stack protector. (CVE-2023-4039)

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

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

According to the versions of the gcc packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - A failure in the -fstack-protector feature in GCC-based toolchains that target AArch64 allows an attacker     to exploit an existing buffer overflow in dynamically-sized local variables in your application without     this being detected. This stack-protector failure only applies to C99-style dynamically-sized local     variables or those created using alloca(). The stack-protector operates as intended for statically-sized     local variables. The default behavior when the stack-protector detects an overflow is to terminate your     application, resulting in controlled loss of availability. An attacker who can exploit a buffer overflow     without triggering the stack-protector might be able to change program flow control to cause an     uncontrolled loss of availability or to go further and affect confidentiality or integrity.
    (CVE-2023-4039)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the gcc packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - A failure in the -fstack-protector feature in GCC-based toolchains that target AArch64 allows an attacker     to exploit an existing buffer overflow in dynamically-sized local variables in your application without     this being detected. This stack-protector failure only applies to C99-style dynamically-sized local     variables or those created using alloca(). The stack-protector operates as intended for statically-sized     local variables. The default behavior when the stack-protector detects an overflow is to terminate your     application, resulting in controlled loss of availability. An attacker who can exploit a buffer overflow     without triggering the stack-protector might be able to change program flow control to cause an     uncontrolled loss of availability or to go further and affect confidentiality or integrity.
    (CVE-2023-4039)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The version of gcc installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2023-4039 advisory.

  - **DISPUTED**A failure in the -fstack-protector feature in GCC-based toolchains that target AArch64 allows     an attacker to exploit an existing buffer overflow in dynamically-sized local variables in your     application without this being detected. This stack-protector failure only applies to C99-style     dynamically-sized local variables or those created using alloca(). The stack-protector operates as     intended for statically-sized local variables. The default behavior when the stack-protector detects an     overflow is to terminate your application, resulting in controlled loss of availability. An attacker who     can exploit a buffer overflow without triggering the stack-protector might be able to change program flow     control to cause an uncontrolled loss of availability or to go further and affect confidentiality or     integrity. NOTE: The GCC project argues that this is a missed hardening bug and not a vulnerability by     itself. (CVE-2023-4039)

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

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - **DISPUTED**A failure in the -fstack-protector feature in GCC-based toolchains that target AArch64 allows     an attacker to exploit an existing buffer overflow in dynamically-sized local variables in your     application without this being detected. This stack-protector failure only applies to C99-style     dynamically-sized local variables or those created using alloca(). The stack-protector operates as     intended for statically-sized local variables. The default behavior when the stack-protector detects an     overflow is to terminate your application, resulting in controlled loss of availability. An attacker who     can exploit a buffer overflow without triggering the stack-protector might be able to change program flow     control to cause an uncontrolled loss of availability or to go further and affect confidentiality or     integrity. NOTE: The GCC project argues that this is a missed hardening bug and not a vulnerability by     itself. (CVE-2023-4039)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2023:4458-1 advisory.

  - A failure in the -fstack-protector feature in GCC-based toolchains that target AArch64 allows an attacker     to exploit an existing buffer overflow in dynamically-sized local variables in your application without     this being detected. This stack-protector failure only applies to C99-style dynamically-sized local     variables or those created using alloca(). The stack-protector operates as intended for statically-sized     local variables. The default behavior when the stack-protector detects an overflow is to terminate your     application, resulting in controlled loss of availability. An attacker who can exploit a buffer overflow     without triggering the stack-protector might be able to change program flow control to cause an     uncontrolled loss of availability or to go further and affect confidentiality or integrity.
    (CVE-2023-4039)

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

According to the versions of the gcc packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - **DISPUTED**A failure in the -fstack-protector feature in GCC-based toolchains that target AArch64 allows     an attacker to exploit an existing buffer overflow in dynamically-sized local variables in your     application without this being detected. This stack-protector failure only applies to C99-style     dynamically-sized local variables or those created using alloca(). The stack-protector operates as     intended for statically-sized local variables. The default behavior when the stack-protector detects an     overflow is to terminate your application, resulting in controlled loss of availability. An attacker who     can exploit a buffer overflow without triggering the stack-protector might be able to change program flow     control to cause an uncontrolled loss of availability or to go further and affect confidentiality or     integrity. NOTE: The GCC project argues that this is a missed hardening bug and not a vulnerability by     itself. (CVE-2023-4039)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the gcc packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - **DISPUTED**A failure in the -fstack-protector feature in GCC-based toolchains that target AArch64 allows     an attacker to exploit an existing buffer overflow in dynamically-sized local variables in your     application without this being detected. This stack-protector failure only applies to C99-style     dynamically-sized local variables or those created using alloca(). The stack-protector operates as     intended for statically-sized local variables. The default behavior when the stack-protector detects an     overflow is to terminate your application, resulting in controlled loss of availability. An attacker who     can exploit a buffer overflow without triggering the stack-protector might be able to change program flow     control to cause an uncontrolled loss of availability or to go further and affect confidentiality or     integrity. NOTE: The GCC project argues that this is a missed hardening bug and not a vulnerability by     itself. (CVE-2023-4039)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Ubuntu 20.04 LTS / 22.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-7700-1 advisory.

    It was discovered that the -fstack-protector hardening feature in GCC for AArch64 did not properly protect     dynamically-sized local variables such as those created using C99 variable length arrays or alloca. As a     result, an attacker who was able to trigger a buffer overflow in such cases could bypass the intended     stack protection checks. (CVE-2023-4039)

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

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

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
181359	Amazon Linux 2 : gcc (ALAS-2023-2245)	Nessus	Amazon Linux Local Security Checks	2023/9/13	2024/12/11	medium
188121	EulerOS Virtualization 2.10.0 : gcc (EulerOS-SA-2023-3469)	Nessus	Huawei Local Security Checks	2024/1/16	2024/1/16	medium
188427	EulerOS Virtualization 2.10.1 : gcc (EulerOS-SA-2023-3497)	Nessus	Huawei Local Security Checks	2024/1/16	2024/1/16	medium
188481	EulerOS 2.0 SP10 : gcc (EulerOS-SA-2023-3174)	Nessus	Huawei Local Security Checks	2024/1/16	2024/1/16	medium
189690	EulerOS 2.0 SP11 : gcc (EulerOS-SA-2024-1103)	Nessus	Huawei Local Security Checks	2024/1/26	2024/1/26	medium
215473	Azure Linux 3.0 Security Update: gcc (CVE-2023-4039)	Nessus	Azure Linux Local Security Checks	2025/2/10	2025/9/15	medium
227324	Linux Distros Unpatched Vulnerability : CVE-2023-4039	Nessus	Misc.	2025/3/5	2026/4/28	medium
185937	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : gcc13 (SUSE-SU-2023:4458-1)	Nessus	SuSE Local Security Checks	2023/11/17	2023/11/17	medium
188514	EulerOS 2.0 SP10 : gcc (EulerOS-SA-2023-3209)	Nessus	Huawei Local Security Checks	2024/1/16	2024/1/16	medium
189677	EulerOS 2.0 SP11 : gcc (EulerOS-SA-2024-1118)	Nessus	Huawei Local Security Checks	2024/1/26	2024/1/26	medium
191807	EulerOS 2.0 SP8 : gcc (EulerOS-SA-2024-1265)	Nessus	Huawei Local Security Checks	2024/3/12	2024/3/12	medium
192339	EulerOS Virtualization 2.11.0 : gcc (EulerOS-SA-2024-1440)	Nessus	Huawei Local Security Checks	2024/3/21	2024/3/21	medium
253509	Ubuntu 20.04 LTS / 22.04 LTS : GCC vulnerability (USN-7700-1)	Nessus	Ubuntu Local Security Checks	2025/8/21	2025/8/21	medium

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