Common Weakness Enumeration
CWE-59
AllowedImproper Link Resolution Before File Access ('Link Following')
Abstraction: Base · Status: Draft
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.
2264 vulnerabilities reference this CWE, most recent first.
CVE-2023-6069 (GCVE-0-2023-6069)
Vulnerability from cvelistv5 – Published: 2023-11-10 00:00 – Updated: 2024-08-02 08:21
VLAI
EPSS
VEX
Title
Improper Link Resolution Before File Access in froxlor/froxlor
Summary
Improper Link Resolution Before File Access in GitHub repository froxlor/froxlor prior to 2.1.0.
Severity
9.9 (Critical)
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| froxlor | froxlor/froxlor |
Affected:
unspecified , < 2.1.0
(custom)
|
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CVE-2023-4759 (GCVE-0-2023-4759)
Vulnerability from cvelistv5 – Published: 2023-09-12 09:12 – Updated: 2024-08-02 07:37
VLAI
EPSS
VEX
Title
Improper handling of case insensitive filesystems in Eclipse JGit allows arbitrary file write
Summary
Arbitrary File Overwrite in Eclipse JGit <= 6.6.0
In Eclipse JGit, all versions <= 6.6.0.202305301015-r, a symbolic link present in a specially crafted git repository can be used to write a file to locations outside the working tree when this repository is cloned with JGit to a case-insensitive filesystem, or when a checkout from a clone of such a repository is performed on a case-insensitive filesystem.
This can happen on checkout (DirCacheCheckout), merge (ResolveMerger via its WorkingTreeUpdater), pull (PullCommand using merge), and when applying a patch (PatchApplier). This can be exploited for remote code execution (RCE), for instance if the file written outside the working tree is a git filter that gets executed on a subsequent git command.
The issue occurs only on case-insensitive filesystems, like the default filesystems on Windows and macOS. The user performing the clone or checkout must have the rights to create symbolic links for the problem to occur, and symbolic links must be enabled in the git configuration.
Setting git configuration option core.symlinks = false before checking out avoids the problem.
The issue was fixed in Eclipse JGit version 6.6.1.202309021850-r and 6.7.0.202309050840-r, available via Maven Central https://repo1.maven.org/maven2/org/eclipse/jgit/ and repo.eclipse.org https://repo.eclipse.org/content/repositories/jgit-releases/ . A backport is available in 5.13.3 starting from 5.13.3.202401111512-r.
The JGit maintainers would like to thank RyotaK for finding and reporting this issue.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-07-19 03:55 UTC
CWE
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Eclipse Foundation | Eclipse JGit |
Affected:
0.0.0 , ≤ 6.6.0.202305301015-r
(semver)
Unaffected: 5.13.3.202401111512-r |
|
| eclipse | jgit |
Affected:
0 , ≤ 6.6.0.202305301015-r
(semver)
cpe:2.3:a:eclipse:jgit:*:*:*:*:*:*:*:* |
|
| eclipse | jgit |
Unaffected:
5.13.3.202401111512-r
cpe:2.3:a:eclipse:jgit:5.13.3.202401111512-r:*:*:*:*:*:*:* |
Date Public
2023-09-12 10:00
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CVE-2023-1412 (GCVE-0-2023-1412)
Vulnerability from cvelistv5 – Published: 2023-04-05 15:22 – Updated: 2025-02-10 18:02
VLAI
EPSS
VEX
Title
Local Privilege Escalation Vulnerability in WARP's MSI Installer
Summary
An unprivileged (non-admin) user can exploit an Improper Access Control vulnerability in the Cloudflare WARP Client for Windows (<= 2022.12.582.0) to perform privileged operations with SYSTEM context by working with a combination of opportunistic locks (oplock) and symbolic links (which can both be created by an unprivileged user).
After installing the Cloudflare WARP Client (admin privileges required), an MSI-Installer is placed under C:\Windows\Installer. The vulnerability lies in the repair function of this MSI.
ImpactAn unprivileged (non-admin) user can exploit this vulnerability to perform privileged operations with SYSTEM context, including deleting arbitrary files and reading arbitrary file content. This can lead to a variety of attacks, including the manipulation of system files and privilege escalation.
PatchesA new installer with a fix that addresses this vulnerability was released in version 2023.3.381.0. While the WARP Client itself is not vulnerable (only the installer), users are encouraged to upgrade to the latest version and delete any older installers present in their systems.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-10 18:02 UTC
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cloudflare | WARP |
Affected:
0 , ≤ 2022.5.309.0
(N/A)
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CVE-2023-1314 (GCVE-0-2023-1314)
Vulnerability from cvelistv5 – Published: 2023-03-21 11:01 – Updated: 2025-02-26 16:53
VLAI
EPSS
VEX
Title
Local Privilege Escalation Vulnerability in cloudflared's Installer
Summary
A vulnerability has been discovered in cloudflared's installer (<= 2023.3.0) for Windows 32-bits devices that allows a local attacker with no administrative permissions to escalate their privileges on the affected device. This vulnerability exists because the MSI installer used by cloudflared relied on a world-writable directory.
An attacker with local access to the device (without Administrator rights) can use symbolic links to trick the MSI installer into deleting files in locations that the attacker would otherwise have no access to. By creating a symlink from the world-writable directory to the target file, the attacker can manipulate the MSI installer's repair functionality to delete the target file during the repair process.
Exploitation of this vulnerability could allow an attacker to delete important system files or replace them with malicious files, potentially leading to the affected device being compromised.
The cloudflared client itself is not affected by this vulnerability, only the installer for 32-bit Windows devices.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-26 16:53 UTC
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cloudflare | cloudflared |
Affected:
0 , ≤ <=2023.3.0
(custom)
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CVE-2023-0652 (GCVE-0-2023-0652)
Vulnerability from cvelistv5 – Published: 2023-04-06 09:42 – Updated: 2025-02-10 20:21
VLAI
EPSS
VEX
Title
Local Privilege Escalation in Cloudflare WARP Installer (Windows)
Summary
Due to a hardlink created in the ProgramData folder during the repair process of the software, the installer (MSI) of WARP Client for Windows (<= 2022.12.582.0) allowed a malicious attacker to forge the destination of the hardlink and escalate privileges, overwriting SYSTEM protected files.
As Cloudflare WARP client for Windows (up to version 2022.5.309.0) allowed creation of mount points from its ProgramData folder, during installation of the WARP client, it was possible to escalate privileges and overwrite SYSTEM protected files.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-10 20:21 UTC
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cloudflare | WARP |
Affected:
0 , ≤ 2022.5.309.0
(N/A)
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CVE-2022-45440 (GCVE-0-2022-45440)
Vulnerability from cvelistv5 – Published: 2023-01-17 00:00 – Updated: 2025-12-17 08:33
VLAI
EPSS
VEX
Summary
A vulnerability exists in the FTP server of the Zyxel AX7501-B0 firmware prior to V5.17(ABPC.3)C0, which processes symbolic links on external storage media. A local authenticated attacker with administrator privileges could abuse this vulnerability to access the root file system by creating a symbolic link on external storage media, such as a USB flash drive, and then logging into the FTP server on a vulnerable device.
Severity
4.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-03 13:30 UTC
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | AX7501-B0 firmware |
Affected:
< V5.17(ABPC.3)C0
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CVE-2022-42292 (GCVE-0-2022-42292)
Vulnerability from cvelistv5 – Published: 2023-02-07 02:31 – Updated: 2025-03-25 14:45
VLAI
EPSS
VEX
Summary
NVIDIA GeForce Experience contains a vulnerability in the NVContainer component, where a user without administrator privileges can create a symbolic link to a file that requires elevated privileges to write to or modify, which may lead to denial of service, escalation of privilege or limited data tampering.
Severity
5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-25 14:45 UTC
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NVIDIA | GeForce Experience |
Affected:
All versions prior to 3.27.0.112
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CVE-2022-38699 (GCVE-0-2022-38699)
Vulnerability from cvelistv5 – Published: 2022-09-28 03:25 – Updated: 2025-05-21 14:54
VLAI
EPSS
VEX
Title
ASUS Armoury Crate Service - Arbitrary File Creation via Elevation of Privilege Flaw
Summary
Armoury Crate Service’s logging function has insufficient validation to check if the log file is a symbolic link. A physical attacker with general user privilege can modify the log file property to a symbolic link that points to arbitrary system file, causing the logging function to overwrite the system file and disrupt the system.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-21 14:54 UTC
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.twcert.org.tw/tw/cp-132-6522-4eacb-1.html | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ASUS | Armoury Crate Service |
Affected:
5.1.5.0
|
Date Public
2022-09-15 00:00
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CVE-2022-31256 (GCVE-0-2022-31256)
Vulnerability from cvelistv5 – Published: 2022-10-26 08:55 – Updated: 2025-05-09 19:11
VLAI
EPSS
VEX
Title
sendmail: mail to root privilege escalation via sm-client.pre script
Summary
A Improper Link Resolution Before File Access ('Link Following') vulnerability in a script called by the sendmail systemd service of openSUSE Factory allows local attackers to escalate from user mail to root. This issue affects: SUSE openSUSE Factory sendmail versions prior to 8.17.1-1.1.
Severity
7.7 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-09 19:11 UTC
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SUSE | openSUSE Factory |
Affected:
sendmail , < 8.17.1-1.1
(custom)
|
Date Public
2022-10-26 00:00
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CVE-2022-31250 (GCVE-0-2022-31250)
Vulnerability from cvelistv5 – Published: 2022-07-20 07:55 – Updated: 2024-09-17 01:06
VLAI
EPSS
VEX
Title
keylime %post scriplet allows for privilege escalation from keylime user to root
Summary
A UNIX Symbolic Link (Symlink) Following vulnerability in keylime of openSUSE Tumbleweed allows local attackers to escalate from the keylime user to root. This issue affects: openSUSE Tumbleweed keylime versions prior to 6.4.2-1.1.
Severity
7.1 (High)
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| openSUSE | Tumbleweed |
Affected:
keylime , < 6.4.2-1.1
(custom)
|
Date Public
2022-06-24 00:00
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Mitigation MIT-48.1
Architecture and Design
Strategy: Separation of Privilege
- Follow the principle of least privilege when assigning access rights to entities in a software system.
- Denying access to a file can prevent an attacker from replacing that file with a link to a sensitive file. Ensure good compartmentalization in the system to provide protected areas that can be trusted.
CAPEC-132: Symlink Attack
An adversary positions a symbolic link in such a manner that the targeted user or application accesses the link's endpoint, assuming that it is accessing a file with the link's name.
CAPEC-17: Using Malicious Files
An attack of this type exploits a system's configuration that allows an adversary to either directly access an executable file, for example through shell access; or in a possible worst case allows an adversary to upload a file and then execute it. Web servers, ftp servers, and message oriented middleware systems which have many integration points are particularly vulnerable, because both the programmers and the administrators must be in synch regarding the interfaces and the correct privileges for each interface.
CAPEC-35: Leverage Executable Code in Non-Executable Files
An attack of this type exploits a system's trust in configuration and resource files. When the executable loads the resource (such as an image file or configuration file) the attacker has modified the file to either execute malicious code directly or manipulate the target process (e.g. application server) to execute based on the malicious configuration parameters. Since systems are increasingly interrelated mashing up resources from local and remote sources the possibility of this attack occurring is high.
CAPEC-76: Manipulating Web Input to File System Calls
An attacker manipulates inputs to the target software which the target software passes to file system calls in the OS. The goal is to gain access to, and perhaps modify, areas of the file system that the target software did not intend to be accessible.