CVE-2020-27304 Common Vulnerabilities and Exposures

Upstream information

CVE-2020-27304 at MITRE

Description

The CivetWeb web library does not validate uploaded filepaths when running on an OS other than Windows, when using the built-in HTTP form-based file upload mechanism, via the mg_handle_form_request API. Web applications that use the file upload form handler, and use parts of the user-controlled filename in the output path, are susceptible to directory traversal

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having critical severity.

CVSS v2 Scores
	National Vulnerability Database
Base Score	7.5
Vector	AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector	Network
Access Complexity	Low
Authentication	None
Confidentiality Impact	Partial
Integrity Impact	Partial
Availability Impact	Partial

CVSS v3 Scores
	National Vulnerability Database
Base Score	9.8
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality Impact	High
Integrity Impact	High
Availability Impact	High
CVSSv3 Version	3.1

SUSE Bugzilla entry: 1191938 [RESOLVED / FIXED]

SUSE Security Advisories:

openSUSE-SU-2021:1424-1, published Sun Oct 31 21:49:57 2021
openSUSE-SU-2022:0136-1, published Thu Jan 20 15:40:22 2022

List of released packages

Product(s)	Fixed package version(s)	References
openSUSE Leap 15.2	`civetweb >= 1.15-lp152.2.3.1` `civetweb-devel >= 1.15-lp152.2.3.1` `libcivetweb-cpp1_15_0 >= 1.15-lp152.2.3.1` `libcivetweb1_15_0 >= 1.15-lp152.2.3.1`	Patchnames: openSUSE-2021-1424
openSUSE Leap 15.3	`civetweb >= 1.15-lp153.2.3.1` `civetweb-devel >= 1.15-lp153.2.3.1` `libcivetweb-cpp1_15_0 >= 1.15-lp153.2.3.1` `libcivetweb1_15_0 >= 1.15-lp153.2.3.1`	Patchnames: openSUSE-2022-136

SUSE Timeline for this CVE

CVE page created: Fri Oct 22 00:00:20 2021
CVE page last modified: Fri Dec 16 14:10:00 2022