2.1 Low
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
16.1%
Issue Overview:
A flaw was found in protobuf. The vulnerability occurs due to incorrect parsing of a NULL character in the proto symbol and leads to a Null pointer dereference. This flaw allows an attacker to execute unauthorized code or commands, read memory, modify memory. (CVE-2021-22570)
Affected Packages:
protobuf
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update protobuf to update your system.
New Packages:
aarch64:
protobuf-2.5.0-8.amzn2.0.3.aarch64
protobuf-compiler-2.5.0-8.amzn2.0.3.aarch64
protobuf-devel-2.5.0-8.amzn2.0.3.aarch64
protobuf-static-2.5.0-8.amzn2.0.3.aarch64
protobuf-lite-2.5.0-8.amzn2.0.3.aarch64
protobuf-lite-devel-2.5.0-8.amzn2.0.3.aarch64
protobuf-lite-static-2.5.0-8.amzn2.0.3.aarch64
protobuf-python-2.5.0-8.amzn2.0.3.aarch64
protobuf-vim-2.5.0-8.amzn2.0.3.aarch64
protobuf-emacs-2.5.0-8.amzn2.0.3.aarch64
protobuf-emacs-el-2.5.0-8.amzn2.0.3.aarch64
protobuf-java-2.5.0-8.amzn2.0.3.aarch64
protobuf-javadoc-2.5.0-8.amzn2.0.3.aarch64
protobuf-debuginfo-2.5.0-8.amzn2.0.3.aarch64
i686:
protobuf-2.5.0-8.amzn2.0.3.i686
protobuf-compiler-2.5.0-8.amzn2.0.3.i686
protobuf-devel-2.5.0-8.amzn2.0.3.i686
protobuf-static-2.5.0-8.amzn2.0.3.i686
protobuf-lite-2.5.0-8.amzn2.0.3.i686
protobuf-lite-devel-2.5.0-8.amzn2.0.3.i686
protobuf-lite-static-2.5.0-8.amzn2.0.3.i686
protobuf-python-2.5.0-8.amzn2.0.3.i686
protobuf-vim-2.5.0-8.amzn2.0.3.i686
protobuf-emacs-2.5.0-8.amzn2.0.3.i686
protobuf-emacs-el-2.5.0-8.amzn2.0.3.i686
protobuf-java-2.5.0-8.amzn2.0.3.i686
protobuf-javadoc-2.5.0-8.amzn2.0.3.i686
protobuf-debuginfo-2.5.0-8.amzn2.0.3.i686
src:
protobuf-2.5.0-8.amzn2.0.3.src
x86_64:
protobuf-2.5.0-8.amzn2.0.3.x86_64
protobuf-compiler-2.5.0-8.amzn2.0.3.x86_64
protobuf-devel-2.5.0-8.amzn2.0.3.x86_64
protobuf-static-2.5.0-8.amzn2.0.3.x86_64
protobuf-lite-2.5.0-8.amzn2.0.3.x86_64
protobuf-lite-devel-2.5.0-8.amzn2.0.3.x86_64
protobuf-lite-static-2.5.0-8.amzn2.0.3.x86_64
protobuf-python-2.5.0-8.amzn2.0.3.x86_64
protobuf-vim-2.5.0-8.amzn2.0.3.x86_64
protobuf-emacs-2.5.0-8.amzn2.0.3.x86_64
protobuf-emacs-el-2.5.0-8.amzn2.0.3.x86_64
protobuf-java-2.5.0-8.amzn2.0.3.x86_64
protobuf-javadoc-2.5.0-8.amzn2.0.3.x86_64
protobuf-debuginfo-2.5.0-8.amzn2.0.3.x86_64
Red Hat: CVE-2021-22570
Mitre: CVE-2021-22570
2.1 Low
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
16.1%