Vulnerability Details : CVE-2018-20096
There is a heap-based buffer over-read in the Exiv2::tEXtToDataBuf function of pngimage.cpp in Exiv2 0.27-RC3. A crafted input will lead to a remote denial of service attack.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2018-20096
Probability of exploitation activity in the next 30 days: 0.38%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 70 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2018-20096
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
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-2018-20096
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-20096
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZXCEKTYF7HLM6VH2WCWO2HXTJH37MBLA/
[SECURITY] Fedora 30 Update: mingw-exiv2-0.27-3.fc30 - package-announce - Fedora Mailing-Lists
-
https://access.redhat.com/errata/RHSA-2019:2101
RHSA-2019:2101 - Security Advisory - Red Hat Customer Portal
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https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206
pocs/exiv2/20181206 at master · TeamSeri0us/pocs · GitHubExploit;Third Party Advisory
-
https://github.com/Exiv2/exiv2/issues/590
Several bugs in exiv2 0.27-rc3 · Issue #590 · Exiv2/exiv2 · GitHubIssue Tracking;Exploit;Patch;Third Party Advisory
Products affected by CVE-2018-20096
- cpe:2.3:a:exiv2:exiv2:0.27:rc3:*:*:*:*:*:*