Vulnerability Details : CVE-2019-16892
Potential exploit
In Rubyzip before 1.3.0, a crafted ZIP file can bypass application checks on ZIP entry sizes because data about the uncompressed size can be spoofed. This allows attackers to cause a denial of service (disk consumption).
Vulnerability category: Denial of service
Products affected by CVE-2019-16892
- cpe:2.3:a:redhat:cloudforms:4.7:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:cloudforms:5.11:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
- cpe:2.3:a:rubyzip_project:rubyzip:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-16892
0.24%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 44 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-16892
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.1
|
HIGH | AV:N/AC:M/Au:N/C:N/I:N/A:C |
8.6
|
6.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
References for CVE-2019-16892
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X255K6ZBAQC462PQN2ND5HOTTQEJ2G2X/
[SECURITY] Fedora 29 Update: rubygem-rubyzip-1.1.7-10.fc29 - package-announce - Fedora Mailing-Lists
-
https://github.com/rubyzip/rubyzip/pull/403
Validate entry sizes when extracting by jdleesmiller · Pull Request #403 · rubyzip/rubyzip · GitHubExploit;Issue Tracking;Patch;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X255K6ZBAQC462PQN2ND5HOTTQEJ2G2X/
[SECURITY] Fedora 29 Update: rubygem-rubyzip-1.1.7-10.fc29 - package-announce - Fedora Mailing-ListsMailing List
-
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J45KSFPP6DFVWLC7Z73L7SX735CKZYO6/
[SECURITY] Fedora 31 Update: rubygem-rubyzip-1.1.7-10.fc31 - package-announce - Fedora Mailing-ListsMailing List
-
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MWWPORMSBHZTMP4PGF4DQD22TTKBQMMC/
[SECURITY] Fedora 30 Update: rubygem-rubyzip-1.1.7-10.fc30 - package-announce - Fedora Mailing-ListsMailing List
-
https://access.redhat.com/errata/RHBA-2019:4047
RHBA-2019:4047 - Bug Fix Advisory - Red Hat Customer PortalThird Party Advisory
-
https://github.com/rubyzip/rubyzip/commit/d65fe7bd283ec94f9d6dc7605f61a6b0dd00f55e
Merge pull request #403 from rubyzip/check-size · rubyzip/rubyzip@d65fe7b · GitHubPatch
-
https://access.redhat.com/errata/RHSA-2019:4201
RHSA-2019:4201 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/J45KSFPP6DFVWLC7Z73L7SX735CKZYO6/
[SECURITY] Fedora 31 Update: rubygem-rubyzip-1.1.7-10.fc31 - package-announce - Fedora Mailing-Lists
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MWWPORMSBHZTMP4PGF4DQD22TTKBQMMC/
[SECURITY] Fedora 30 Update: rubygem-rubyzip-1.1.7-10.fc30 - package-announce - Fedora Mailing-Lists
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