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githubGitHub Advisory DatabaseGHSA-RPW6-9XFX-JVCX
HistoryApr 22, 2021 - 4:20 p.m.

Directory Traversal in Archive_Tar

2021-04-2216:20:36
CWE-22
GitHub Advisory Database
github.com
47

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

0.924 High

EPSS

Percentile

98.9%

Tar.php in Archive_Tar through 1.4.11 allows write operations with Directory Traversal due to inadequate checking of symbolic links, a related issue to CVE-2020-28948.

:exclamation: Note:

There was an initial fix for this vulnerability made in version 1.4.12. That fix introduced a bug which was fixed in 1.4.13. Therefore we have set the first-patched-version to 1.4.13 which the earliest working version that avoids this vulnerability.

CPENameOperatorVersion
pear/archive_tarle1.4.11

References

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

0.924 High

EPSS

Percentile

98.9%