ALPINE-CVE-2021-36770

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Source
https://security.alpinelinux.org/vuln/CVE-2021-36770
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-36770.json
JSON Data
https://api.test.osv.dev/v1/vulns/ALPINE-CVE-2021-36770
Upstream
Published
2021-08-11T23:15:07.707Z
Modified
2025-11-14T04:27:10.187979Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

Encode.pm, as distributed in Perl through 5.34.0, allows local users to gain privileges via a Trojan horse Encode::ConfigLocal library (in the current working directory) that preempts dynamic module loading. Exploitation requires an unusual configuration, and certain 2021 versions of Encode.pm (3.05 through 3.11). This issue occurs because the || operator evaluates @INC in a scalar context, and thus @INC has only an integer value.

References

Affected packages

Alpine:v3.15

perl

Package

Name
perl
Purl
pkg:apk/alpine/perl?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.34.0-r1

Affected versions

5.*

5.10.0-r0
5.10.0-r1
5.10.1-r0
5.10.1-r1
5.10.1-r2
5.12.1-r0
5.12.2-r0
5.12.2-r1
5.12.3-r0
5.14.0-r0
5.14.1-r0
5.14.2-r0
5.14.2-r1
5.16.0-r0
5.16.1-r0
5.16.2-r0
5.16.3-r0
5.18.0-r0
5.18.1-r0
5.18.2-r0
5.20.0-r0
5.20.1-r0
5.20.2-r0
5.20.2-r1
5.22.0-r0
5.22.1-r0
5.22.2-r0
5.24.0-r0
5.24.0-r1
5.24.0-r2
5.24.1-r0
5.24.1-r1
5.24.1-r2
5.26.0-r0
5.26.1-r0
5.26.1-r1
5.26.2-r0
5.26.2-r1
5.26.3-r0
5.28.1-r0
5.28.2-r0
5.28.2-r1
5.30.0-r0
5.30.0-r1
5.30.0-r2
5.30.1-r0
5.30.2-r0
5.30.3-r0
5.30.3-r1
5.30.3-r2
5.32.0-r0
5.32.1-r0
5.34.0-r0

perl-encode

Package

Name
perl-encode
Purl
pkg:apk/alpine/perl-encode?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.12-r0

Affected versions

2.*

2.70-r0
2.75-r0
2.76-r0
2.76-r1
2.86-r0
2.88-r0
2.88-r1
2.88-r2
2.93-r0
2.98-r0
2.98-r1

3.*

3.01-r0
3.01-r1
3.02-r0
3.02-r1
3.03-r0
3.04-r0
3.05-r0
3.06-r0
3.07-r0
3.07-r1
3.08-r0
3.09-r0
3.10-r0
3.10-r1
3.11-r0

Alpine:v3.16

perl

Package

Name
perl
Purl
pkg:apk/alpine/perl?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.34.0-r1

Affected versions

5.*

5.10.0-r0
5.10.0-r1
5.10.1-r0
5.10.1-r1
5.10.1-r2
5.12.1-r0
5.12.2-r0
5.12.2-r1
5.12.3-r0
5.14.0-r0
5.14.1-r0
5.14.2-r0
5.14.2-r1
5.16.0-r0
5.16.1-r0
5.16.2-r0
5.16.3-r0
5.18.0-r0
5.18.1-r0
5.18.2-r0
5.20.0-r0
5.20.1-r0
5.20.2-r0
5.20.2-r1
5.22.0-r0
5.22.1-r0
5.22.2-r0
5.24.0-r0
5.24.0-r1
5.24.0-r2
5.24.1-r0
5.24.1-r1
5.24.1-r2
5.26.0-r0
5.26.1-r0
5.26.1-r1
5.26.2-r0
5.26.2-r1
5.26.3-r0
5.28.1-r0
5.28.2-r0
5.28.2-r1
5.30.0-r0
5.30.0-r1
5.30.0-r2
5.30.1-r0
5.30.2-r0
5.30.3-r0
5.30.3-r1
5.30.3-r2
5.32.0-r0
5.32.1-r0
5.34.0-r0

perl-encode

Package

Name
perl-encode
Purl
pkg:apk/alpine/perl-encode?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.12-r0

Affected versions

2.*

2.70-r0
2.75-r0
2.76-r0
2.76-r1
2.86-r0
2.88-r0
2.88-r1
2.88-r2
2.93-r0
2.98-r0
2.98-r1

3.*

3.01-r0
3.01-r1
3.02-r0
3.02-r1
3.03-r0
3.04-r0
3.05-r0
3.06-r0
3.07-r0
3.07-r1
3.08-r0
3.09-r0
3.10-r0
3.10-r1
3.11-r0

Alpine:v3.17

perl

Package

Name
perl
Purl
pkg:apk/alpine/perl?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.34.0-r1

Affected versions

5.*

5.10.0-r0
5.10.0-r1
5.10.1-r0
5.10.1-r1
5.10.1-r2
5.12.1-r0
5.12.2-r0
5.12.2-r1
5.12.3-r0
5.14.0-r0
5.14.1-r0
5.14.2-r0
5.14.2-r1
5.16.0-r0
5.16.1-r0
5.16.2-r0
5.16.3-r0
5.18.0-r0
5.18.1-r0
5.18.2-r0
5.20.0-r0
5.20.1-r0
5.20.2-r0
5.20.2-r1
5.22.0-r0
5.22.1-r0
5.22.2-r0
5.24.0-r0
5.24.0-r1
5.24.0-r2
5.24.1-r0
5.24.1-r1
5.24.1-r2
5.26.0-r0
5.26.1-r0
5.26.1-r1
5.26.2-r0
5.26.2-r1
5.26.3-r0
5.28.1-r0
5.28.2-r0
5.28.2-r1
5.30.0-r0
5.30.0-r1
5.30.0-r2
5.30.1-r0
5.30.2-r0
5.30.3-r0
5.30.3-r1
5.30.3-r2
5.32.0-r0
5.32.1-r0
5.34.0-r0

perl-encode

Package

Name
perl-encode
Purl
pkg:apk/alpine/perl-encode?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.12-r0

Affected versions

2.*

2.70-r0
2.75-r0
2.76-r0
2.76-r1
2.86-r0
2.88-r0
2.88-r1
2.88-r2
2.93-r0
2.98-r0
2.98-r1

3.*

3.01-r0
3.01-r1
3.02-r0
3.02-r1
3.03-r0
3.04-r0
3.05-r0
3.06-r0
3.07-r0
3.07-r1
3.08-r0
3.09-r0
3.10-r0
3.10-r1
3.11-r0

Alpine:v3.18

perl

Package

Name
perl
Purl
pkg:apk/alpine/perl?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.34.0-r1

Affected versions

5.*

5.10.0-r0
5.10.0-r1
5.10.1-r0
5.10.1-r1
5.10.1-r2
5.12.1-r0
5.12.2-r0
5.12.2-r1
5.12.3-r0
5.14.0-r0
5.14.1-r0
5.14.2-r0
5.14.2-r1
5.16.0-r0
5.16.1-r0
5.16.2-r0
5.16.3-r0
5.18.0-r0
5.18.1-r0
5.18.2-r0
5.20.0-r0
5.20.1-r0
5.20.2-r0
5.20.2-r1
5.22.0-r0
5.22.1-r0
5.22.2-r0
5.24.0-r0
5.24.0-r1
5.24.0-r2
5.24.1-r0
5.24.1-r1
5.24.1-r2
5.26.0-r0
5.26.1-r0
5.26.1-r1
5.26.2-r0
5.26.2-r1
5.26.3-r0
5.28.1-r0
5.28.2-r0
5.28.2-r1
5.30.0-r0
5.30.0-r1
5.30.0-r2
5.30.1-r0
5.30.2-r0
5.30.3-r0
5.30.3-r1
5.30.3-r2
5.32.0-r0
5.32.1-r0
5.34.0-r0

perl-encode

Package

Name
perl-encode
Purl
pkg:apk/alpine/perl-encode?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.12-r0

Affected versions

2.*

2.70-r0
2.75-r0
2.76-r0
2.76-r1
2.86-r0
2.88-r0
2.88-r1
2.88-r2
2.93-r0
2.98-r0
2.98-r1

3.*

3.01-r0
3.01-r1
3.02-r0
3.02-r1
3.03-r0
3.04-r0
3.05-r0
3.06-r0
3.07-r0
3.07-r1
3.08-r0
3.09-r0
3.10-r0
3.10-r1
3.11-r0

Alpine:v3.19

perl

Package

Name
perl
Purl
pkg:apk/alpine/perl?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.34.0-r1

Affected versions

5.*

5.10.0-r0
5.10.0-r1
5.10.1-r0
5.10.1-r1
5.10.1-r2
5.12.1-r0
5.12.2-r0
5.12.2-r1
5.12.3-r0
5.14.0-r0
5.14.1-r0
5.14.2-r0
5.14.2-r1
5.16.0-r0
5.16.1-r0
5.16.2-r0
5.16.3-r0
5.18.0-r0
5.18.1-r0
5.18.2-r0
5.20.0-r0
5.20.1-r0
5.20.2-r0
5.20.2-r1
5.22.0-r0
5.22.1-r0
5.22.2-r0
5.24.0-r0
5.24.0-r1
5.24.0-r2
5.24.1-r0
5.24.1-r1
5.24.1-r2
5.26.0-r0
5.26.1-r0
5.26.1-r1
5.26.2-r0
5.26.2-r1
5.26.3-r0
5.28.1-r0
5.28.2-r0
5.28.2-r1
5.30.0-r0
5.30.0-r1
5.30.0-r2
5.30.1-r0
5.30.2-r0
5.30.3-r0
5.30.3-r1
5.30.3-r2
5.32.0-r0
5.32.1-r0
5.34.0-r0

perl-encode

Package

Name
perl-encode
Purl
pkg:apk/alpine/perl-encode?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.12-r0

Affected versions

2.*

2.70-r0
2.75-r0
2.76-r0
2.76-r1
2.86-r0
2.88-r0
2.88-r1
2.88-r2
2.93-r0
2.98-r0
2.98-r1

3.*

3.01-r0
3.01-r1
3.02-r0
3.02-r1
3.03-r0
3.04-r0
3.05-r0
3.06-r0
3.07-r0
3.07-r1
3.08-r0
3.09-r0
3.10-r0
3.10-r1
3.11-r0

Alpine:v3.20

perl

Package

Name
perl
Purl
pkg:apk/alpine/perl?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.34.0-r1

Affected versions

5.*

5.10.0-r0
5.10.0-r1
5.10.1-r0
5.10.1-r1
5.10.1-r2
5.12.1-r0
5.12.2-r0
5.12.2-r1
5.12.3-r0
5.14.0-r0
5.14.1-r0
5.14.2-r0
5.14.2-r1
5.16.0-r0
5.16.1-r0
5.16.2-r0
5.16.3-r0
5.18.0-r0
5.18.1-r0
5.18.2-r0
5.20.0-r0
5.20.1-r0
5.20.2-r0
5.20.2-r1
5.22.0-r0
5.22.1-r0
5.22.2-r0
5.24.0-r0
5.24.0-r1
5.24.0-r2
5.24.1-r0
5.24.1-r1
5.24.1-r2
5.26.0-r0
5.26.1-r0
5.26.1-r1
5.26.2-r0
5.26.2-r1
5.26.3-r0
5.28.1-r0
5.28.2-r0
5.28.2-r1
5.30.0-r0
5.30.0-r1
5.30.0-r2
5.30.1-r0
5.30.2-r0
5.30.3-r0
5.30.3-r1
5.30.3-r2
5.32.0-r0
5.32.1-r0
5.34.0-r0

perl-encode

Package

Name
perl-encode
Purl
pkg:apk/alpine/perl-encode?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.12-r0

Affected versions

2.*

2.70-r0
2.75-r0
2.76-r0
2.76-r1
2.86-r0
2.88-r0
2.88-r1
2.88-r2
2.93-r0
2.98-r0
2.98-r1

3.*

3.01-r0
3.01-r1
3.02-r0
3.02-r1
3.03-r0
3.04-r0
3.05-r0
3.06-r0
3.07-r0
3.07-r1
3.08-r0
3.09-r0
3.10-r0
3.10-r1
3.11-r0

Alpine:v3.21

perl

Package

Name
perl
Purl
pkg:apk/alpine/perl?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.34.0-r1

Affected versions

5.*

5.10.0-r0
5.10.0-r1
5.10.1-r0
5.10.1-r1
5.10.1-r2
5.12.1-r0
5.12.2-r0
5.12.2-r1
5.12.3-r0
5.14.0-r0
5.14.1-r0
5.14.2-r0
5.14.2-r1
5.16.0-r0
5.16.1-r0
5.16.2-r0
5.16.3-r0
5.18.0-r0
5.18.1-r0
5.18.2-r0
5.20.0-r0
5.20.1-r0
5.20.2-r0
5.20.2-r1
5.22.0-r0
5.22.1-r0
5.22.2-r0
5.24.0-r0
5.24.0-r1
5.24.0-r2
5.24.1-r0
5.24.1-r1
5.24.1-r2
5.26.0-r0
5.26.1-r0
5.26.1-r1
5.26.2-r0
5.26.2-r1
5.26.3-r0
5.28.1-r0
5.28.2-r0
5.28.2-r1
5.30.0-r0
5.30.0-r1
5.30.0-r2
5.30.1-r0
5.30.2-r0
5.30.3-r0
5.30.3-r1
5.30.3-r2
5.32.0-r0
5.32.1-r0
5.34.0-r0

perl-encode

Package

Name
perl-encode
Purl
pkg:apk/alpine/perl-encode?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.12-r0

Affected versions

2.*

2.70-r0
2.75-r0
2.76-r0
2.76-r1
2.86-r0
2.88-r0
2.88-r1
2.88-r2
2.93-r0
2.98-r0
2.98-r1

3.*

3.01-r0
3.01-r1
3.02-r0
3.02-r1
3.03-r0
3.04-r0
3.05-r0
3.06-r0
3.07-r0
3.07-r1
3.08-r0
3.09-r0
3.10-r0
3.10-r1
3.11-r0

Alpine:v3.22

perl

Package

Name
perl
Purl
pkg:apk/alpine/perl?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.34.0-r1

Affected versions

5.*

5.10.0-r0
5.10.0-r1
5.10.1-r0
5.10.1-r1
5.10.1-r2
5.12.1-r0
5.12.2-r0
5.12.2-r1
5.12.3-r0
5.14.0-r0
5.14.1-r0
5.14.2-r0
5.14.2-r1
5.16.0-r0
5.16.1-r0
5.16.2-r0
5.16.3-r0
5.18.0-r0
5.18.1-r0
5.18.2-r0
5.20.0-r0
5.20.1-r0
5.20.2-r0
5.20.2-r1
5.22.0-r0
5.22.1-r0
5.22.2-r0
5.24.0-r0
5.24.0-r1
5.24.0-r2
5.24.1-r0
5.24.1-r1
5.24.1-r2
5.26.0-r0
5.26.1-r0
5.26.1-r1
5.26.2-r0
5.26.2-r1
5.26.3-r0
5.28.1-r0
5.28.2-r0
5.28.2-r1
5.30.0-r0
5.30.0-r1
5.30.0-r2
5.30.1-r0
5.30.2-r0
5.30.3-r0
5.30.3-r1
5.30.3-r2
5.32.0-r0
5.32.1-r0
5.34.0-r0

perl-encode

Package

Name
perl-encode
Purl
pkg:apk/alpine/perl-encode?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.12-r0

Affected versions

2.*

2.70-r0
2.75-r0
2.76-r0
2.76-r1
2.86-r0
2.88-r0
2.88-r1
2.88-r2
2.93-r0
2.98-r0
2.98-r1

3.*

3.01-r0
3.01-r1
3.02-r0
3.02-r1
3.03-r0
3.04-r0
3.05-r0
3.06-r0
3.07-r0
3.07-r1
3.08-r0
3.09-r0
3.10-r0
3.10-r1
3.11-r0