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:3.0/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
libtar.so is vulnerable to directory traversal. Lack of insecure sanitization of the file_name parameter, aka POINTYFEATHER allows a bypass of an intended protection mechanism, leading to writing of arbitrary files via vectors.
CPE | Name | Operator | Version |
---|---|---|---|
libtar.so | le | 1.2.20 | |
tar | le | 1.26__35.el7 | |
libtar.so | le | 1.2.20 | |
tar | le | 1.26__35.el7 |
git.savannah.gnu.org/cgit/tar.git/commit/?id=7340f67b9860ea0531c1450e5aa261c50f67165d
lists.gnu.org/archive/html/bug-tar/2016-10/msg00016.html
packetstormsecurity.com/files/139370/GNU-tar-1.29-Extract-Pathname-Bypass.html
seclists.org/fulldisclosure/2016/Oct/102
seclists.org/fulldisclosure/2016/Oct/96
www.debian.org/security/2016/dsa-3702
www.securityfocus.com/bid/93937
www.ubuntu.com/usn/USN-3132-1
lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
security.gentoo.org/glsa/201611-19
sintonen.fi/advisories/tar-extract-pathname-bypass.proper.txt
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:3.0/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