7 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
5.1 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:H/Au:N/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
60.7%
Issue Overview:
A flaw was found in RPM’s signature check functionality when reading a package file. This flaw allows an attacker who can convince a victim to install a seemingly verifiable package, whose signature header was modified, to cause RPM database corruption and execute code. The highest threat from this vulnerability is to data integrity, confidentiality, and system availability. (CVE-2021-20271)
A flaw was found in the RPM package in the read functionality. This flaw allows an attacker who can convince a victim to install a seemingly verifiable package or compromise an RPM repository, to cause RPM database corruption. The highest threat from this vulnerability is to data integrity. (CVE-2021-3421)
Affected Packages:
rpm
Issue Correction:
Run yum update rpm to update your system.
New Packages:
i686:
rpm-4.11.3-40.79.amzn1.i686
rpm-python27-4.11.3-40.79.amzn1.i686
rpm-build-4.11.3-40.79.amzn1.i686
rpm-devel-4.11.3-40.79.amzn1.i686
rpm-python26-4.11.3-40.79.amzn1.i686
rpm-debuginfo-4.11.3-40.79.amzn1.i686
rpm-build-libs-4.11.3-40.79.amzn1.i686
rpm-sign-4.11.3-40.79.amzn1.i686
rpm-libs-4.11.3-40.79.amzn1.i686
noarch:
rpm-apidocs-4.11.3-40.79.amzn1.noarch
rpm-cron-4.11.3-40.79.amzn1.noarch
src:
rpm-4.11.3-40.79.amzn1.src
x86_64:
rpm-debuginfo-4.11.3-40.79.amzn1.x86_64
rpm-libs-4.11.3-40.79.amzn1.x86_64
rpm-build-4.11.3-40.79.amzn1.x86_64
rpm-python26-4.11.3-40.79.amzn1.x86_64
rpm-build-libs-4.11.3-40.79.amzn1.x86_64
rpm-python27-4.11.3-40.79.amzn1.x86_64
rpm-devel-4.11.3-40.79.amzn1.x86_64
rpm-4.11.3-40.79.amzn1.x86_64
rpm-sign-4.11.3-40.79.amzn1.x86_64
Red Hat: CVE-2021-20271, CVE-2021-3421
Mitre: CVE-2021-20271, CVE-2021-3421
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 1 | i686 | rpm | < 4.11.3-40.79.amzn1 | rpm-4.11.3-40.79.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | rpm-python27 | < 4.11.3-40.79.amzn1 | rpm-python27-4.11.3-40.79.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | rpm-build | < 4.11.3-40.79.amzn1 | rpm-build-4.11.3-40.79.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | rpm-devel | < 4.11.3-40.79.amzn1 | rpm-devel-4.11.3-40.79.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | rpm-python26 | < 4.11.3-40.79.amzn1 | rpm-python26-4.11.3-40.79.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | rpm-debuginfo | < 4.11.3-40.79.amzn1 | rpm-debuginfo-4.11.3-40.79.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | rpm-build-libs | < 4.11.3-40.79.amzn1 | rpm-build-libs-4.11.3-40.79.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | rpm-sign | < 4.11.3-40.79.amzn1 | rpm-sign-4.11.3-40.79.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | rpm-libs | < 4.11.3-40.79.amzn1 | rpm-libs-4.11.3-40.79.amzn1.i686.rpm |
Amazon Linux | 1 | noarch | rpm-apidocs | < 4.11.3-40.79.amzn1 | rpm-apidocs-4.11.3-40.79.amzn1.noarch.rpm |
7 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
5.1 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:H/Au:N/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
60.7%