Vulnerability Details : CVE-2018-7726
An issue was discovered in ZZIPlib 0.13.68. There is a bus error caused by the __zzip_parse_root_directory function of zip.c. Attackers could leverage this vulnerability to cause a denial of service via a crafted zip file.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2018-7726
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
- cpe:2.3:a:zziplib_project:zziplib:0.13.68:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-7726
0.27%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 63 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-7726
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2018-7726
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-7726
-
https://usn.ubuntu.com/3699-1/
USN-3699-1: zziplib vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://github.com/gdraheim/zziplib/issues/41
Bus error in __zzip_parse_root_directory (in zzip/zip.c:482) [CVE-2018-7726] · Issue #41 · gdraheim/zziplib · GitHubExploit;Issue Tracking;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2020/06/msg00029.html
[SECURITY] [DLA 2258-1] zziplib security update
-
https://access.redhat.com/errata/RHSA-2018:3229
RHSA-2018:3229 - Security Advisory - Red Hat Customer PortalThird Party Advisory
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