Test ID:	1.3.6.1.4.1.25623.1.1.2.2022.2829
Category:	Huawei EulerOS Local Security Checks
Title:	Huawei EulerOS: Security Advisory for rpm (EulerOS-SA-2022-2829)
Summary:	The remote host is missing an update for the Huawei EulerOS 'rpm' package(s) announced via the EulerOS-SA-2022-2829 advisory.
Description:	Summary: The remote host is missing an update for the Huawei EulerOS 'rpm' package(s) announced via the EulerOS-SA-2022-2829 advisory. Vulnerability Insight: A race condition vulnerability was found in rpm. A local unprivileged user could use this flaw to bypass the checks that were introduced in response to CVE-2017-7500 and CVE-2017-7501, potentially gaining root privileges. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.(CVE-2021-35937) A symbolic link issue was found in rpm. It occurs when rpm sets the desired permissions and credentials after installing a file. A local unprivileged user could use this flaw to exchange the original file with a symbolic link to a security-critical file and escalate their privileges on the system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.(CVE-2021-35938) It was found that the fix for CVE-2017-7500 and CVE-2017-7501 was incomplete: the check was only implemented for the parent directory of the file to be created. A local unprivileged user who owns another ancestor directory could potentially use this flaw to gain root privileges. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.(CVE-2021-35939) Affected Software/OS: 'rpm' package(s) on Huawei EulerOS V2.0SP10. Solution: Please install the updated package(s). CVSS Score: 6.5 CVSS Vector: AV:L/AC:L/Au:M/C:C/I:C/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2021-35937 GLSA-202210-22 https://security.gentoo.org/glsa/202210-22 https://access.redhat.com/security/cve/CVE-2021-35937 https://bugzilla.redhat.com/show_bug.cgi?id=1964125 https://rpm.org/wiki/Releases/4.18.0 https://www.usenix.org/legacy/event/sec05/tech/full_papers/borisov/borisov.pdf Common Vulnerability Exposure (CVE) ID: CVE-2021-35938 https://access.redhat.com/security/cve/CVE-2021-35938 https://bugzilla.redhat.com/show_bug.cgi?id=1964114 https://bugzilla.suse.com/show_bug.cgi?id=1157880 https://github.com/rpm-software-management/rpm/commit/25a435e90844ea98fe5eb7bef22c1aecf3a9c033 https://github.com/rpm-software-management/rpm/pull/1919 Common Vulnerability Exposure (CVE) ID: CVE-2021-35939 https://access.redhat.com/security/cve/CVE-2021-35939 https://bugzilla.redhat.com/show_bug.cgi?id=1964129 https://github.com/rpm-software-management/rpm/commit/96ec957e281220f8e137a2d5eb23b83a6377d556
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