MEDIUM
lib/gyazo/client.rb in the gyazo gem 1.0.0 for Ruby allows local users to write to arbitrary files via a symlink attack on a temporary file, related to time-based filenames
Published Jan 10, 2018
5.5
MEDIUMCVSS 3.0
EPSS 0.48%
Description
lib/gyazo/client.rb in the gyazo gem 1.0.0 for Ruby allows local users to write to arbitrary files via a symlink attack on a temporary file, related to time-based filenames.
Affected products
No data.
- 1.0.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
5.5 MEDIUM NVD
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact High
Availability Impact None
2.1 LOW NVD
AV:L/AC:L/Au:N/C:N/I:P/A:N
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.48% 0.00477
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.00477
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.48% (0.00477) | 38.90th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.49% (0.00486) | 37.83th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.05% (0.00052) | 13.44th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00890) | 30.33th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00890) | 28.64th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00890) | 26.62th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00890) | 12.04th | v2 (v2022.01.01) |
Weaknesses (1)
References (7)
- http://www.openwall.com/lists/oss-security/2014/07/07/13 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2014/07/17/5 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.vapid.dhs.org/advisories/gyazo-1.0.0.html x_refsource_MISCExploitThird Party Advisory
- https://github.com/advisories/GHSA-6x45-86q6-rcmr Advisory
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/gyazo/CVE-2014-4994.yml
- https://nvd.nist.gov/vuln/detail/CVE-2014-4994
- https://web.archive.org/web/20200229061943/http://www.vapid.dhs.org/advisories/gyazo-1.0.0.html
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2014/07/07/13 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2014/07/17/5 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| http://www.vapid.dhs.org/advisories/gyazo-1.0.0.html | x_refsource_MISCExploitThird Party Advisory | |
| https://github.com/advisories/GHSA-6x45-86q6-rcmr | Advisory | |
| https://github.com/rubysec/ruby-advisory-db/blob/master/gems/gyazo/CVE-2014-4994.yml | ||
| https://nvd.nist.gov/vuln/detail/CVE-2014-4994 | ||
| https://web.archive.org/web/20200229061943/http://www.vapid.dhs.org/advisories/gyazo-1.0.0.html |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jan 10, 2018
Updated Aug 6, 2024
Reserved Jul 17, 2014
Link CVE-2014-4994
CISA Vulnrichment
GHSA-6X45-86Q6-RCMR Updated n/a