High severity8.8NVD Advisory· Published Mar 30, 2023· Updated Jun 17, 2026
CVE-2023-27534
CVE-2023-27534
Description
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.
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Affected products
30- osv-coords29 versionspkg:rpm/almalinux/curlpkg:rpm/almalinux/curl-minimalpkg:rpm/almalinux/libcurlpkg:rpm/almalinux/libcurl-develpkg:rpm/almalinux/libcurl-minimalpkg:rpm/opensuse/curl&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/curl&distro=openSUSE%20Leap%20Micro%205.3pkg:rpm/opensuse/curl&distro=openSUSE%20Tumbleweedpkg:rpm/suse/curl&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/curl&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/curl&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/curl&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/curl&distro=SUSE%20Linux%20Enterprise%20Micro%205.3pkg:rpm/suse/curl&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4pkg:rpm/suse/curl&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2015%20SP3pkg:rpm/suse/curl&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-ESPOSpkg:rpm/suse/curl&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/curl&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/curl&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSSpkg:rpm/suse/curl&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/curl&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/curl&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/curl&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/curl&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5pkg:rpm/suse/curl&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/curl&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/curl&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209pkg:rpm/suse/nghttp2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSSpkg:rpm/suse/nghttp2&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5
< 7.76.1-26.el9+ 28 more
- (no CPE)range: < 7.76.1-26.el9
- (no CPE)range: < 7.76.1-26.el9
- (no CPE)range: < 7.76.1-26.el9
- (no CPE)range: < 7.76.1-26.el9
- (no CPE)range: < 7.76.1-26.el9
- (no CPE)range: < 7.79.1-150400.5.18.1
- (no CPE)range: < 7.79.1-150400.5.18.1
- (no CPE)range: < 8.0.1-1.1
- (no CPE)range: < 7.60.0-150000.51.1
- (no CPE)range: < 7.60.0-150000.51.1
- (no CPE)range: < 7.66.0-150200.4.52.1
- (no CPE)range: < 7.66.0-150200.4.52.1
- (no CPE)range: < 7.79.1-150400.5.18.1
- (no CPE)range: < 7.79.1-150400.5.18.1
- (no CPE)range: < 7.66.0-150200.4.52.1
- (no CPE)range: < 7.60.0-4.56.1
- (no CPE)range: < 7.60.0-4.56.1
- (no CPE)range: < 7.60.0-11.60.1
- (no CPE)range: < 8.0.1-11.117.1
- (no CPE)range: < 7.60.0-150000.51.1
- (no CPE)range: < 7.60.0-4.56.1
- (no CPE)range: < 7.60.0-11.60.1
- (no CPE)range: < 7.60.0-150000.51.1
- (no CPE)range: < 8.0.1-11.117.1
- (no CPE)range: < 7.60.0-11.60.1
- (no CPE)range: < 7.60.0-4.56.1
- (no CPE)range: < 7.60.0-4.56.1
- (no CPE)range: < 1.39.2-3.20.1
- (no CPE)range: < 1.39.2-3.20.1
Patches
Vulnerability mechanics
References
5- hackerone.com/reports/1892351nvdExploitThird Party Advisory
- lists.debian.org/debian-lts-announce/2024/03/msg00016.htmlnvdMailing ListThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36NBD5YLJXXEDZLDGNFCERWRYJQ6LAQW/nvdMailing ListThird Party Advisory
- security.gentoo.org/glsa/202310-12nvdThird Party Advisory
- security.netapp.com/advisory/ntap-20230420-0012/nvdThird Party Advisory
News mentions
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