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NewStart CGSL MAIN 6.06 : gcc Vulnerability (NS-SA-2025-0227)

high Nessus Plugin ID 266284

Synopsis

The remote NewStart CGSL host is affected by a vulnerability.

Description

The remote NewStart CGSL host, running version MAIN 6.06, has gcc packages installed that are affected by a vulnerability:

 - The POWER9 backend in GNU Compiler Collection (GCC) before version 10 could optimize multiple calls of the
 __builtin_darn intrinsic into a single call, thus reducing the entropy of the random number generator.
 This occurred because a volatile operation was not specified. For example, within a single execution of a program, the output of every __builtin_darn() call may be the same. (CVE-2019-15847)

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

Solution

Upgrade the vulnerable CGSL gcc packages. Note that updated packages may not be available yet. Please contact ZTE for more information.

See Also

https://security.gd-linux.com/notice/NS-SA-2025-0227

https://security.gd-linux.com/info/CVE-2019-15847

Plugin Details

Severity: High

ID: 266284

File Name: newstart_cgsl_NS-SA-2025-0227_gcc.nasl

Version: 1.1

Type: local

Published: 9/30/2025

Updated: 9/30/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2019-15847

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:zte:cgsl_main:cpp, p-cpe:/a:zte:cgsl_main:libasan, cpe:/o:zte:cgsl_main:6, p-cpe:/a:zte:cgsl_main:gcc, p-cpe:/a:zte:cgsl_main:libgomp, p-cpe:/a:zte:cgsl_main:libgfortran, p-cpe:/a:zte:cgsl_main:libquadmath, p-cpe:/a:zte:cgsl_main:libstdc%2b%2b, p-cpe:/a:zte:cgsl_main:libgcc, p-cpe:/a:zte:cgsl_main:libubsan, p-cpe:/a:zte:cgsl_main:libatomic

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/ZTE-CGSL/release, Host/ZTE-CGSL/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 9/30/2025

Vulnerability Publication Date: 9/2/2019

Reference Information

CVE: CVE-2019-15847