marmelroy Zip 2.1.2 path traversal

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.7$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in marmelroy Zip 2.1.2. Affected by this issue is some unknown functionality of the component Zip Handler. The manipulation leads to path traversal. This vulnerability is referenced as CVE-2023-39135. Remote exploitation of the attack is possible. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in marmelroy Zip 2.1.2 and classified as critical. This issue affects some unknown functionality of the component Zip Handler. The manipulation with an unknown input 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, integrity, and availability. The summary by CVE is:

An issue in Zip Swift v2.1.2 allows attackers to execute a path traversal attack via a crafted zip entry.

The weakness was published 08/31/2023 as 245. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2023-39135 since 07/25/2023. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The exploit is available at blog.ostorlab.co. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-2287). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/25/2023 🔍
08/31/2023 +37 days 🔍
08/31/2023 +0 days 🔍
07/27/2025 +696 days 🔍

Sourcesinfo

Product: github.com

Advisory: 245
Status: Not defined

CVE: CVE-2023-39135 (🔍)
GCVE (CVE): GCVE-0-2023-39135
GCVE (VulDB): GCVE-100-238415
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/31/2023 07:15
Updated: 07/27/2025 04:27
Changes: 08/31/2023 07:15 (41), 09/01/2023 17:20 (1), 09/27/2023 11:09 (11), 07/27/2025 04:27 (16)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

 Anonymous User (+0)
3 years ago
Good afternoon,
We think the cpe "zip:zip" associated with the technology isn't exactly accurate, since it's a Swift framework.
NIST has not yet issued a specific cpe for CVE-2023-39135. Are we waiting for NIST?
https://github.com/marmelroy/Zip
Best Regards,
TEAM CERT
 VulDB Community Team3 years ago
Our product team tries to anticipate the official dictionary for our extended dictionary. https://vuldb.com/?kb.cvss

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!