What’s Vulnerable › Vulnerabilities

CVE-2020-7040

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-01-21 · updated 2026-06-17
• Weakness: CWE-59

Description

storeBackup.pl in storeBackup through 3.5 relies on the /tmp/storeBackup.lock pathname, which allows symlink attacks that possibly lead to privilege escalation. (Local users can also create a plain file named /tmp/storeBackup.lock to block use of storeBackup until an admin manually deletes that file.)

Affected products

• Canonical Ubuntu Linux: 16.04, 18.04, 20.04
• Debian Linux: 8.0
• openSUSE Backports Sle: 15.0, 15.0-sp1
• openSUSE Leap: 15.1
• Storebackup: through 3.5

References

• http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00054.html
• http://www.openwall.com/lists/oss-security/2020/01/20/3
• http://www.openwall.com/lists/oss-security/2020/01/21/2
• http://www.openwall.com/lists/oss-security/2020/01/22/2
• http://www.openwall.com/lists/oss-security/2020/01/22/3
• http://www.openwall.com/lists/oss-security/2020/01/23/1
• https://bugzilla.suse.com/show_bug.cgi?id=CVE-2020-7040
• https://lists.debian.org/debian-lts-announce/2020/02/msg00003.html
• https://seclists.org/oss-sec/2020/q1/20
• https://usn.ubuntu.com/4508-1/
• http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00054.html
• http://www.openwall.com/lists/oss-security/2020/01/20/3

Get alerted when CVE-2020-7040 or the next vulnerability affects your stack