CVE-2023-38831

Known exploited
Public exploit
Used for ransomware
RARLAB WinRAR before 6.23 allows attackers to execute arbitrary code when a user attempts to view a benign file within a ZIP archive. The issue occurs because a ZIP archive may include a benign file (such as an ordinary .JPG file) and also a folder that has the same name as the benign file, and the contents of the folder (which may include executable content) are processed during an attempt to access only the benign file. This was exploited in the wild in April through October 2023.
Max CVSS
7.8
EPSS Score
32.62%
Published
2023-08-23
Updated
2023-10-23
CISA KEV Added
2023-08-24
This vulnerability allows remote attackers to disclose sensitive information on affected installations of RARLAB WinRAR 6.11.0.0. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of ZIP files. Crafted data in a ZIP file can trigger a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-19232.
Max CVSS
7.1
EPSS Score
0.08%
Published
2023-03-29
Updated
2023-04-06
In WinRAR versions prior to and including 5.60, There is an out-of-bounds write vulnerability during parsing of a crafted LHA / LZH archive formats. Successful exploitation could lead to arbitrary code execution in the context of the current user.
Max CVSS
7.8
EPSS Score
0.07%
Published
2019-02-13
Updated
2019-10-09
In WinRAR versions prior to and including 5.60, there is an out-of-bounds write vulnerability during parsing of crafted ACE and RAR archive formats. Successful exploitation could lead to arbitrary code execution in the context of the current user.
Max CVSS
7.8
EPSS Score
0.21%
Published
2019-02-05
Updated
2019-10-09
In WinRAR versions prior to and including 5.61, there is path traversal vulnerability when crafting the filename field of the ACE format. The UNACE module (UNACEV2.dll) creates files and folders as written in the filename field even when WinRAR validator noticed the traversal attempt and requestd to abort the extraction process. the operation is cancelled only after the folders and files were created but prior to them being written, therefore allowing the attacker to create empty files and folders everywhere in the file system.
Max CVSS
5.5
EPSS Score
74.46%
Published
2019-02-05
Updated
2019-10-09

CVE-2018-20250

Known exploited
Public exploit
Used for ransomware
In WinRAR versions prior to and including 5.61, There is path traversal vulnerability when crafting the filename field of the ACE format (in UNACEV2.dll). When the filename field is manipulated with specific patterns, the destination (extraction) folder is ignored, thus treating the filename as an absolute path.
Max CVSS
7.8
EPSS Score
97.37%
Published
2019-02-05
Updated
2019-10-09
CISA KEV Added
2022-02-15
The file-execution functionality in WinRAR before 5.30 beta 5 allows local users to gain privileges via a Trojan horse file with a name similar to an extensionless filename that was selected by the user.
Max CVSS
7.4
EPSS Score
0.12%
Published
2015-12-30
Updated
2016-12-06
Multiple unspecified vulnerabilities in RARLAB WinRAR before 3.71 have unknown impact and attack vectors related to crafted (1) ACE, (2) ARJ, (3) BZ2, (4) CAB, (5) GZ, (6) LHA, (7) RAR, (8) TAR, or (9) ZIP files, as demonstrated by the OUSPG PROTOS GENOME test suite for Archive Formats.
Max CVSS
10.0
EPSS Score
0.47%
Published
2009-09-01
Updated
2017-08-17
Stack-based buffer overflow in lzh.fmt in WinRAR 3.00 through 3.60 beta 6 allows remote attackers to execute arbitrary code via a long filename in a LHA archive.
Max CVSS
9.3
EPSS Score
15.15%
Published
2006-07-25
Updated
2017-07-20
Buffer overflow in WinRAR 3.50 and earlier allows local users to execute arbitrary code via a long command-line argument. NOTE: because this program executes with the privileges of the invoking user, and because remote programs do not normally have the ability to specify a command-line argument for this program, there may not be a typical attack vector for the issue that crosses privilege boundaries. Therefore this may not be a vulnerability.
Max CVSS
4.6
EPSS Score
0.04%
Published
2005-12-31
Updated
2018-10-19
Buffer overflow in the "Add to archive" command in WinRAR 3.51 allows user-assisted attackers to cause a denial of service (crash) and possibly execute arbitrary code by tricking the user into adding a file whose filename contains a non-default code page and non-ANSI characters, as demonstrated using a Chinese filename, possibly due to buffer expansion when using the WideCharToMultiByte API. NOTE: it is not clear whether this problem can be exploited for code execution. If not, then perhaps the user-assisted nature of the attack should exclude the issue from inclusion in CVE.
Max CVSS
5.1
EPSS Score
0.22%
Published
2005-12-22
Updated
2018-10-19
Stack-based buffer overflow in UNACEV2.DLL for RARLAB WinRAR 2.90 through 3.50 allows remote attackers to execute arbitrary code via an ACE archive containing a file with a long name.
Max CVSS
7.5
EPSS Score
17.46%
Published
2005-10-20
Updated
2008-09-10
Format string vulnerability in RARLAB WinRAR 2.90 through 3.50 allows remote attackers to execute arbitrary code via format string specifiers in a UUE/XXE file, which are not properly handled when WinRAR displays diagnostic errors related to an invalid filename.
Max CVSS
7.5
EPSS Score
9.13%
Published
2005-10-20
Updated
2008-09-10
WinRAR 3.40, and possibly earlier versions, allows remote attackers to execute arbitrary code via a ZIP file containing a file with a long filename, possibly causing an integer overflow that leads to a buffer overflow.
Max CVSS
10.0
EPSS Score
2.73%
Published
2005-01-10
Updated
2017-07-11
Multiple directory traversal vulnerabilities in LHA 1.14 allow remote attackers or local users to create arbitrary files via an LHA archive containing filenames with (1) .. sequences or (2) absolute pathnames with double leading slashes ("//absolute/path").
Max CVSS
6.4
EPSS Score
0.64%
Published
2004-08-18
Updated
2017-10-11
Multiple stack-based buffer overflows in the get_header function in header.c for LHA 1.14, as used in products such as Barracuda Spam Firewall, allow remote attackers or local users to execute arbitrary code via long directory or file names in an LHA archive, which triggers the overflow when testing or extracting the archive.
Max CVSS
10.0
EPSS Score
93.42%
Published
2004-08-18
Updated
2017-10-11
16 vulnerabilities found
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