CWE-59
Improper Link Resolution Before File Access ('Link Following')
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.
CVE-2020-8103 (GCVE-0-2020-8103)
Vulnerability from cvelistv5 – Published: 2020-06-05 11:10 – Updated: 2024-09-16 23:36
VLAI
Title
Link Resolution Privilege Escalation Vulnerability in Bitdefender Antivirus Free (VA-8604)
Summary
A vulnerability in the improper handling of symbolic links in Bitdefender Antivirus Free can allow an unprivileged user to substitute a quarantined file, and restore it to a privileged location. This issue affects Bitdefender Antivirus Free versions prior to 1.0.17.178.
Severity
7.2 (High)
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.bitdefender.com/support/security-advi… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Bitdefender | Bitdefender Antivirus Free |
Affected:
unspecified , < 1.0.17.178
(custom)
|
Date Public
2020-06-05 00:00
Credits
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CVE-2021-1491 (GCVE-0-2021-1491)
Vulnerability from cvelistv5 – Published: 2024-11-15 16:25 – Updated: 2024-11-15 16:28
VLAI
Title
Cisco SD-WAN vManage Software Information Disclosure Vulnerability
Summary
A vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to read arbitrary files on the underlying file system of the device.
This vulnerability is due to insufficient file scope limiting. An attacker could exploit this vulnerability by creating a specific file reference on the file system and then accessing it through the web-based management interface. A successful exploit could allow the attacker to read arbitrary files from the file system of the underlying operating system.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
Severity
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Catalyst SD-WAN Manager |
Affected:
20.1.12
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CVE-2021-20197 (GCVE-0-2021-20197)
Vulnerability from cvelistv5 – Published: 2021-03-26 16:47 – Updated: 2025-12-03 15:08
VLAI
Summary
There is an open race window when writing output in the following utilities in GNU binutils version 2.35 and earlier:ar, objcopy, strip, ranlib. When these utilities are run as a privileged user (presumably as part of a script updating binaries across different users), an unprivileged user can trick these utilities into getting ownership of arbitrary files through a symlink.
Severity
6.3 (Medium)
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1913743 | x_refsource_MISC |
| https://sourceware.org/bugzilla/show_bug.cgi?id=26945 | x_refsource_MISC |
| https://security.netapp.com/advisory/ntap-2021052… | x_refsource_CONFIRM |
| https://security.gentoo.org/glsa/202208-30 | vendor-advisoryx_refsource_GENTOO |
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CVE-2021-21300 (GCVE-0-2021-21300)
Vulnerability from cvelistv5 – Published: 2021-03-09 00:00 – Updated: 2024-08-03 18:09
VLAI
Title
malicious repositories can execute remote code while cloning
Summary
Git is an open-source distributed revision control system. In affected versions of Git a specially crafted repository that contains symbolic links as well as files using a clean/smudge filter such as Git LFS, may cause just-checked out script to be executed while cloning onto a case-insensitive file system such as NTFS, HFS+ or APFS (i.e. the default file systems on Windows and macOS). Note that clean/smudge filters have to be configured for that. Git for Windows configures Git LFS by default, and is therefore vulnerable. The problem has been patched in the versions published on Tuesday, March 9th, 2021. As a workaound, if symbolic link support is disabled in Git (e.g. via `git config --global core.symlinks false`), the described attack won't work. Likewise, if no clean/smudge filters such as Git LFS are configured globally (i.e. _before_ cloning), the attack is foiled. As always, it is best to avoid cloning repositories from untrusted sources. The earliest impacted version is 2.14.2. The fix versions are: 2.30.1, 2.29.3, 2.28.1, 2.27.1, 2.26.3, 2.25.5, 2.24.4, 2.23.4, 2.22.5, 2.21.4, 2.20.5, 2.19.6, 2.18.5, 2.17.62.17.6.
Severity
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
14 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| git | git |
Affected:
>= 2.14.2, < 2.17.62.17.6
Affected: >= 2.18.0, < 2.18.5 Affected: >= 2.19.0, < 2.19.6 Affected: >= 2.20.0, < 2.20.5 Affected: >= 2.21.0, < 2.21.4 Affected: >= 2.22.0, < 2.22.5 Affected: >= 2.23.0, < 2.23.4 Affected: >= 2.24.0, < 2.24.4 Affected: >= 2.25.0, < 2.25.5 Affected: >= 2.26.0, < 2.26.3 Affected: >= 2.27.0, < 2.27.1 Affected: >= 2.28.0, < 2.28.1 Affected: >= 2.29.0, < 2.29.3 Affected: >= 2.30.0, < 2.30.1 |
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CVE-2021-23177 (GCVE-0-2021-23177)
Vulnerability from cvelistv5 – Published: 2022-08-23 00:00 – Updated: 2024-08-03 19:05
VLAI
Summary
An improper link resolution flaw while extracting an archive can lead to changing the access control list (ACL) of the target of the link. An attacker may provide a malicious archive to a victim user, who would trigger this flaw when trying to extract the archive. A local attacker may use this flaw to change the ACL of a file on the system and gain more privileges.
Severity
No CVSS data available.
CWE
- CWE-59 - - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | libarchive |
Affected:
Fixed in libarchive 3.5.2
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CVE-2021-23872 (GCVE-0-2021-23872)
Vulnerability from cvelistv5 – Published: 2021-05-12 09:00 – Updated: 2024-08-03 19:14
VLAI
Title
Privilege Escalation vulnerability in McAfee Total Protection (MTP)
Summary
Privilege Escalation vulnerability in the File Lock component of McAfee Total Protection (MTP) prior to 16.0.32 allows a local user to gain elevated privileges by manipulating a symbolic link in the IOCTL interface.
Severity
7.8 (High)
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| http://service.mcafee.com/FAQDocument.aspx?&id=TS103146 | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| McAfee,LLC | McAfee Total Protection (MTP) |
Affected:
unspecified , < 16.0.32
(custom)
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CVE-2021-23873 (GCVE-0-2021-23873)
Vulnerability from cvelistv5 – Published: 2021-02-10 10:20 – Updated: 2024-08-03 19:14
VLAI
Title
McAfee Total Protection (MTP) privilege escalation vulnerability
Summary
Privilege Escalation vulnerability in McAfee Total Protection (MTP) prior to 16.0.30 allows a local user to gain elevated privileges and perform arbitrary file deletion as the SYSTEM user potentially causing Denial of Service via manipulating Junction link, after enumerating certain files, at a specific time.
Severity
7.8 (High)
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
2 references
| URL | Tags |
|---|---|
| http://service.mcafee.com/FAQDocument.aspx?&id=TS103114 | x_refsource_CONFIRM |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| McAfee,LLC | McAfee Total Protection (MTP) |
Affected:
unspecified , < 16.0.30
(custom)
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CVE-2021-23892 (GCVE-0-2021-23892)
Vulnerability from cvelistv5 – Published: 2021-05-12 09:05 – Updated: 2024-08-03 19:14
VLAI
Summary
By exploiting a time of check to time of use (TOCTOU) race condition during the Endpoint Security for Linux Threat Prevention and Firewall (ENSL TP/FW) installation process, a local user can perform a privilege escalation attack to obtain administrator privileges for the purpose of executing arbitrary code through insecure use of predictable temporary file locations.
Severity
8.2 (High)
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://kc.mcafee.com/corporate/index?page=conten… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| McAfee,LLC | McAfee Endpoint Security (ENS) for Linux |
Affected:
unspecified , < 10.7.5
(custom)
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CVE-2021-27241 (GCVE-0-2021-27241)
Vulnerability from cvelistv5 – Published: 2021-03-29 21:05 – Updated: 2024-08-03 20:48
VLAI
Summary
This vulnerability allows local attackers to delete arbitrary directories on affected installations of Avast Premium Security 20.8.2429 (Build 20.8.5653.561). An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the AvastSvc.exe module. By creating a directory junction, an attacker can abuse the service to delete a directory. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-12082.
Severity
6.1 (Medium)
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Avast | Premium Security |
Affected:
20.8.2429 (Build 20.8.5653.561)
|
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CVE-2021-30356 (GCVE-0-2021-30356)
Vulnerability from cvelistv5 – Published: 2021-04-22 17:37 – Updated: 2024-08-03 22:32
VLAI
Summary
A denial of service vulnerability was reported in Check Point Identity Agent before R81.018.0000, which could allow low privileged users to overwrite protected system files.
Severity
No CVSS data available.
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://supportcontent.checkpoint.com/solutions?i… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Check Point Identity Agent |
Affected:
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"dateUpdated": "2024-08-03T22:32:40.978Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
Mitigation ID: MIT-48.1
Phase: Architecture and Design
Strategy: Separation of Privilege
Description:
- 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.