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amazonAmazonALAS-2023-1676
HistoryJan 31, 2023 - 8:44 p.m.

Medium: protobuf

2023-01-3120:44:00
alas.aws.amazon.com
11

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

2.1 Low

CVSS2

Access Vector

LOCAL

Access 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

0.0004 Low

EPSS

Percentile

14.6%

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

Issue Correction:
Run yum update protobuf to update your system.

New Packages:

i686:  
    protobuf-static-2.5.0-1.11.amzn1.i686  
    protobuf-lite-devel-2.5.0-1.11.amzn1.i686  
    protobuf-debuginfo-2.5.0-1.11.amzn1.i686  
    protobuf-devel-2.5.0-1.11.amzn1.i686  
    protobuf-compiler-2.5.0-1.11.amzn1.i686  
    protobuf-lite-static-2.5.0-1.11.amzn1.i686  
    protobuf-2.5.0-1.11.amzn1.i686  
    protobuf-lite-2.5.0-1.11.amzn1.i686  
    protobuf-python27-2.5.0-1.11.amzn1.i686  
    protobuf-vim-2.5.0-1.11.amzn1.i686  
    protobuf-python26-2.5.0-1.11.amzn1.i686  
  
src:  
    protobuf-2.5.0-1.11.amzn1.src  
  
x86_64:  
    protobuf-debuginfo-2.5.0-1.11.amzn1.x86_64  
    protobuf-lite-2.5.0-1.11.amzn1.x86_64  
    protobuf-devel-2.5.0-1.11.amzn1.x86_64  
    protobuf-compiler-2.5.0-1.11.amzn1.x86_64  
    protobuf-python26-2.5.0-1.11.amzn1.x86_64  
    protobuf-python27-2.5.0-1.11.amzn1.x86_64  
    protobuf-2.5.0-1.11.amzn1.x86_64  
    protobuf-vim-2.5.0-1.11.amzn1.x86_64  
    protobuf-static-2.5.0-1.11.amzn1.x86_64  
    protobuf-lite-devel-2.5.0-1.11.amzn1.x86_64  
    protobuf-lite-static-2.5.0-1.11.amzn1.x86_64  

Additional References

Red Hat: CVE-2021-22570

Mitre: CVE-2021-22570

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

2.1 Low

CVSS2

Access Vector

LOCAL

Access 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

0.0004 Low

EPSS

Percentile

14.6%