CVE-2018-1000544
Rubyzip gem contains a Directory Traversal vulnerability in zip file component
rubyzip gem rubyzip version 1.2.1 and earlier contains a Directory Traversal vulnerability in Zip::File component that can result in write arbitrary files to the filesystem. This attack appear to be exploitable via If a site allows uploading of .zip files , an attacker can upload a malicious file that contains symlinks or files with absolute pathnames "../" to write arbitrary files to the filesystem..
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
rubyzip gem rubyzip version 1.2.1 and earlier contains a Directory Traversal vulnerability in Zip::File component that can result in write arbitrary files to the filesystem. This attack appear to be exploitable via If a site allows uploading of .zip files , an attacker can upload a malicious file that contains symlinks or files with absolute pathnames "../" to write arbitrary files to the filesystem..
- Record
CVE-2018-1000544- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-59, CWE-434
- Updated
- 2026-11-02
CVE List No score
rubyzip gem rubyzip version 1.2.1 and earlier contains a Directory Traversal vulnerability in Zip::File component that can result in write arbitrary files to the filesystem. This attack appear to be exploitable via If a site allows uploading of .zip files , an attacker can upload a malicious file that contains symlinks or files with absolute pathnames "../" to write arbitrary files to the filesystem..
- Record
CVE-2018-1000544- Updated
- 2026-11-02
EUVDEUVD-2018-0470 No score
rubyzip gem rubyzip version 1.2.1 and earlier contains a Directory Traversal vulnerability in Zip::File component that can result in write arbitrary files to the filesystem. This attack appear to be exploitable via If a site allows uploading of .zip files , an attacker can upload a malicious file that contains symlinks or files with absolute pathnames "../" to write arbitrary files to the filesystem..
- Record
EUVD-2018-0470- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vqcq-mrmw-mcmg
Rubyzip gem contains a Directory Traversal vulnerability in zip file component
rubyzip gem rubyzip version 1.2.1 and earlier contains a Directory Traversal vulnerability in Zip::File component that can result in write arbitrary files to the filesystem. This attack appear to be exploitable via If a site allows uploading of .zip files , an attacker can upload a malicious file that contains symlinks or files with absolute pathnames "../" to write arbitrary files to the filesystem..
This is similar to CVE-2017-5946 which was patched in 1.2.1 but the fix in that case was incomplete.
- Record
GHSA-vqcq-mrmw-mcmg- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-59, CWE-434
- Updated
- 2026-11-02
OSV
rubyzip gem rubyzip version 1.2.1 and earlier contains a Directory Traversal vulnerability in Zip::File component that can result in write arbitrary files to the filesystem. This attack appear to be exploitable via If a site allows uploading of .zip files , an attacker can upload a malicious file that contains symlinks or files with absolute pathnames "../" to write arbitrary files to the filesystem..
- Record
CVE-2018-1000544- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2018-1000544
rubyzip gem rubyzip version 1.2.1 and earlier contains a Directory Traversal vulnerability in Zip::File component that can result in write arbitrary files to the filesystem. This attack appear to be exploitable via If a site allows uploading of .zip files , an attacker can upload a malicious file that contains symlinks or files with absolute pathnames "../" to write arbitrary files to the filesystem..
- Record
DEBIAN-CVE-2018-1000544- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Show 8 moreShow less
OSVGHSA-vqcq-mrmw-mcmg
Rubyzip gem contains a Directory Traversal vulnerability in zip file component
rubyzip gem rubyzip version 1.2.1 and earlier contains a Directory Traversal vulnerability in Zip::File component that can result in write arbitrary files to the filesystem. This attack appear to be exploitable via If a site allows uploading of .zip files , an attacker can upload a malicious file that contains symlinks or files with absolute pathnames "../" to write arbitrary files to the filesystem..
This is similar to CVE-2017-5946 which was patched in 1.2.1 but the fix in that case was incomplete.
- Record
GHSA-vqcq-mrmw-mcmg- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-434, CWE-59
- Updated
- 2026-11-02
OSVRHSA-2018:3466
Red Hat Security Advisory: CloudForms 4.6.5 security, bug fix and enhancement update
- Record
RHSA-2018:3466- CVSS 3.0
- 4.8 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L - Updated
- 2026-11-02
OSVUBUNTU-CVE-2018-1000544
rubyzip gem rubyzip version 1.2.1 and earlier contains a Directory Traversal vulnerability in Zip::File component that can result in write arbitrary files to the filesystem. This attack appear to be exploitable via If a site allows uploading of .zip files , an attacker can upload a malicious file that contains symlinks or files with absolute pathnames "../" to write arbitrary files to the filesystem..
- Record
UBUNTU-CVE-2018-1000544- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVopenSUSE-SU-2024:11352-1 No score
ruby2.7-rubygem-rubyzip-2.3.2-1.2 on GA media
These are all security issues fixed in the ruby2.7-rubygem-rubyzip-2.3.2-1.2 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:11352-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:13168-1 No score
ruby3.2-rubygem-rubyzip-2.3.2-1.11 on GA media
These are all security issues fixed in the ruby3.2-rubygem-rubyzip-2.3.2-1.11 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:13168-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:14176-1 No score
ruby3.3-rubygem-rubyzip-2.3.2-1.15 on GA media
These are all security issues fixed in the ruby3.3-rubygem-rubyzip-2.3.2-1.15 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:14176-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2025:15126-1 No score
ruby3.4-rubygem-rubyzip-2.3.2-1.17 on GA media
These are all security issues fixed in the ruby3.4-rubygem-rubyzip-2.3.2-1.17 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2025:15126-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2026:10363-1 No score
ruby4.0-rubygem-rubyzip-2.3.2-1.19 on GA media
These are all security issues fixed in the ruby4.0-rubygem-rubyzip-2.3.2-1.19 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2026:10363-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
rubyzipRubyGems |
through 1.2.1 | 1.2.2 |
ruby-zipDebian:12 |
before 1.2.2-1 | 1.2.2-1 |
ruby-zipDebian:13 |
before 1.2.2-1 | 1.2.2-1 |
ruby-zipDebian:14 |
before 1.2.2-1 | 1.2.2-1 |
ruby-zipDebian:8 |
before 1.1.6-1+deb8u2, plus listed versions 1.1.6-11.1.6-1+deb8u1 |
1.1.6-1+deb8u2 |
ruby-zipDebian:9 |
before 1.2.0-1.1+deb9u1, plus listed versions 1.2.0-1.1 |
1.2.0-1.1+deb9u1 |
rubyzipRubyGems |
before 1.2.2, plus listed versions 0.5.110.5.120.5.70.5.80.5.9 Show 19 moreShow less0.9.10.9.40.9.50.9.6.10.9.70.9.80.9.91.0.01.0.0.beta11.1.01.1.11.1.21.1.31.1.41.1.51.1.61.1.71.2.01.2.1 |
1.2.2 |
ansible-towerRed Hat:cloudforms_managementengine:5.9::el7 |
before 0:3.2.7-1.el7at | 0:3.2.7-1.el7at |
ansible-tower-serverRed Hat:cloudforms_managementengine:5.9::el7 |
before 0:3.2.7-1.el7at | 0:3.2.7-1.el7at |
ansible-tower-setupRed Hat:cloudforms_managementengine:5.9::el7 |
before 0:3.2.7-1.el7at | 0:3.2.7-1.el7at |
Show 18 moreShow less
| Package | Affected | Fixed |
|---|---|---|
ansible-tower-uiRed Hat:cloudforms_managementengine:5.9::el7 |
before 0:3.2.7-1.el7at | 0:3.2.7-1.el7at |
ansible-tower-venv-ansibleRed Hat:cloudforms_managementengine:5.9::el7 |
before 0:3.2.7-1.el7at | 0:3.2.7-1.el7at |
ansible-tower-venv-towerRed Hat:cloudforms_managementengine:5.9::el7 |
before 0:3.2.7-1.el7at | 0:3.2.7-1.el7at |
cfmeRed Hat:cloudforms_managementengine:5.9::el7 |
before 0:5.9.5.3-1.el7cf | 0:5.9.5.3-1.el7cf |
cfme-amazon-smartstateRed Hat:cloudforms_managementengine:5.9::el7 |
before 0:5.9.5.3-1.el7cf | 0:5.9.5.3-1.el7cf |
cfme-applianceRed Hat:cloudforms_managementengine:5.9::el7 |
before 0:5.9.5.3-1.el7cf | 0:5.9.5.3-1.el7cf |
cfme-appliance-commonRed Hat:cloudforms_managementengine:5.9::el7 |
before 0:5.9.5.3-1.el7cf | 0:5.9.5.3-1.el7cf |
cfme-appliance-debuginfoRed Hat:cloudforms_managementengine:5.9::el7 |
before 0:5.9.5.3-1.el7cf | 0:5.9.5.3-1.el7cf |
cfme-appliance-toolsRed Hat:cloudforms_managementengine:5.9::el7 |
before 0:5.9.5.3-1.el7cf | 0:5.9.5.3-1.el7cf |
cfme-debuginfoRed Hat:cloudforms_managementengine:5.9::el7 |
before 0:5.9.5.3-1.el7cf | 0:5.9.5.3-1.el7cf |
cfme-gemsetRed Hat:cloudforms_managementengine:5.9::el7 |
before 0:5.9.5.3-1.el7cf | 0:5.9.5.3-1.el7cf |
cfme-gemset-debuginfoRed Hat:cloudforms_managementengine:5.9::el7 |
before 0:5.9.5.3-1.el7cf | 0:5.9.5.3-1.el7cf |
ruby-zipUbuntu:16.04:LTS |
All versions, plus listed versions 1.1.7-1 |
None known |
ruby-zipUbuntu:18.04:LTS |
before 1.2.1-1.1~build0.18.04.1, plus listed versions 1.2.1-1 |
1.2.1-1.1~build0.18.04.1 |
ruby3.2-rubygem-rubyzipopenSUSE:Tumbleweed From an advisory covering 2 CVEs |
before 2.3.2-1.11 | 2.3.2-1.11 |
rubygem-rubyzipopenSUSE:Tumbleweed From an advisory covering 2 CVEs |
before 2.3.2-1.15 | 2.3.2-1.15 |
rubygem-rubyzipopenSUSE:Tumbleweed From an advisory covering 2 CVEs |
before 2.3.2-1.17 | 2.3.2-1.17 |
rubygem-rubyzipopenSUSE:Tumbleweed From an advisory covering 2 CVEs |
before 2.3.2-1.19 | 2.3.2-1.19 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-1000544 is a critical vulnerability (CVSS 9.8) in Rubyzip Project Rubyzip, published June 26, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.34%, the 91st percentile. Fixed in rubyzip 1.2.2.
References
github.com/rubyzip/rubyzip/issues/369
access.redhat.com/errata/RHSA-2018:3466
lists.debian.org/debian-lts-announce/2018/08/msg00013.html
nvd.nist.gov/vuln/detail/CVE-2018-1000544
Show 77 moreShow less
security-tracker.debian.org/tracker/CVE-2018-1000544
bugzilla.redhat.com/show_bug.cgi?id=1592571
security.access.redhat.com/data/csaf/v2/advisories/2018/rhsa-2018_3466.json
cve.org/CVERecord?id=CVE-2018-1000544
ubuntu.com/security/CVE-2018-1000544
suse.com/security/cve/CVE-2017-5946