High severity · published Aug 18, 2017
CVE-2017-12938
UnRAR before 5.5.7 allows remote attackers to bypass a directory-traversal protection mechanism via vectors involving a symlink to the
7.5
CVSS
3%
EPSS
No
On KEV
Description
UnRAR before 5.5.7 allows remote attackers to bypass a directory-traversal protection mechanism via vectors involving a symlink to the . directory, a symlink to the .. directory, and a regular file.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.0% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UN
Unrar · Rarlab
through 5.5.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-12938
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-12938
Exploit
http://seclists.org/oss-sec/2017/q3/290
More from Unrar
7.5
CVE-2022-30333
RARLAB UnRAR Directory Traversal Vulnerability
9.8
CVE-2017-12942
libunrar.a in UnRAR before 5.5.7 has a buffer overflow in the Unpack::LongLZ function
9.8
CVE-2017-12941
libunrar.a in UnRAR before 5.5.7 has an out-of-bounds read in the Unpack::Unpack20 function
9.8
CVE-2017-12940
libunrar.a in UnRAR before 5.5.7 has an out-of-bounds read in the EncodeFileName::Decode call within the Archive::ReadHeader15 function
9.8
CVE-2012-6706
A VMSF_DELTA memory corruption was discovered in unrar before 5.5.5, as used in Sophos Anti-Virus Threat Detection Engine before 3.37.2 and other products, that can lead to…