Directory Traversal Affecting libcurl4 package, versions <7.60.0-150000.51.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
2.44% (85th percentile)

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  • Snyk IDSNYK-SLES151-LIBCURL4-5562042
  • published18 May 2023
  • disclosed17 May 2023

Introduced: 17 May 2023

CVE-2023-27534  (opens in a new tab)
CWE-22  (opens in a new tab)

How to fix?

Upgrade SLES:15.1 libcurl4 to version 7.60.0-150000.51.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libcurl4 package and not the libcurl4 package as distributed by SLES. See How to fix? for SLES:15.1 relevant fixed versions and status.

A path traversal vulnerability exists in curl <8.0.0 SFTP implementation causes the tilde () character to be wrongly replaced when used as a prefix in the first path element, in addition to its intended use as the first element to indicate a path relative to the user's home directory. Attackers can exploit this flaw to bypass filtering or execute arbitrary code by crafting a path like /2/foo while accessing a server with a specific user.

CVSS Base Scores

version 3.1