CVE-2021-32610: In Archive_Tar before 1.4.14, symlinks can refer to targets outside of the extracted archive, a different vulnerability than CVE-2020-36193

High severity · published Jul 30, 2021

CVE-2021-32610

In Archive_Tar before 1.4.14, symlinks can refer to targets outside of the extracted archive, a different vulnerability than CVE-2020-36193

7.1

CVSS

73.4%

EPSS

On KEV

Description

In Archive_Tar before 1.4.14, symlinks can refer to targets outside of the extracted archive, a different vulnerability than CVE-2020-36193.

CVSS vector

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

Attack vector

Local

Complexity

Low

Privileges

Low

User interaction

None

Confidentiality

High

Integrity

High

Availability

None

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)73.4% · higher than 99% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Archive Tar · Php

before 1.4.14 · source: NVD

Debian Linux · Debian

9.0 · source: NVD

Fedora · Fedoraproject

33; 34; 35 · source: NVD

Affected product

Debian Linux

Debian

All Debian Linux CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2021-32610

CVE.org

https://www.cve.org/CVERecord?id=CVE-2021-32610

Patch

https://github.com/pear/Archive_Tar/commit/7789ebb2f34f9e4adb3a4152ad0d1548930a9755

Patch

https://github.com/pear/Archive_Tar/commit/b5832439b1f37331fb4f87e67fe4f

Release Notes

https://github.com/pear/Archive_Tar/releases/tag/1.4.14

Mailing List

https://lists.debian.org/debian-lts-announce/2021/07/msg00023.html

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42GPGVVFTLJYAKRI75IVB5R45NYQGEUR/

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CAODVMHGL5MHQWQAQTXQ7G7OE3VQZ7LS/