VDB-126980 · CVE-2018-19326 · Qualys 13351

ZyXEL VMG1312-B10D prior 5.13(AAXA.8)C0 path traversal

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in ZyXEL VMG1312-B10D. The impacted element is an unknown function. Such manipulation with the input ../ leads to path traversal. This vulnerability is referenced as CVE-2018-19326. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in ZyXEL VMG1312-B10D. It has been rated as critical. Affected by this issue is an unknown function. The manipulation with the input value ../ leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality. CVE summarizes:

Zyxel VMG1312-B10D devices before 5.13(AAXA.8)C0 allow ../ Directory Traversal, as demonstrated by reading /etc/passwd.

The bug was discovered 11/17/2018. The weakness was published 11/17/2018 (Website). The advisory is shared for download at gist.github.com. This vulnerability is handled as CVE-2018-19326 since 11/17/2018. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1006.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 13351 (Zyxel Directory Traversal (Arbitrary File Access) Vulnerability).

Upgrading to version 5.13(AAXA.8)C0 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: VMG1312-B10D 5.13(AAXA.8)C0

Timelineinfo

11/17/2018 🔍
11/17/2018 +0 days 🔍
11/17/2018 +0 days 🔍
11/17/2018 +0 days 🔍
11/18/2018 +1 days 🔍
04/13/2020 +512 days 🔍

Sourcesinfo

Vendor: zyxel.com

Advisory: gist.github.com
Status: Not defined

CVE: CVE-2018-19326 (🔍)
GCVE (CVE): GCVE-0-2018-19326
GCVE (VulDB): GCVE-100-126980

Entryinfo

Created: 11/18/2018 15:58
Updated: 04/13/2020 21:38
Changes: 11/18/2018 15:58 (58), 04/13/2020 21:38 (1)
Complete: 🔍
Cache ID: 216::103

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