Vulnerability Details : CVE-2018-16842
Curl versions 7.14.1 through 7.61.1 are vulnerable to a heap-based buffer over-read in the tool_msgs.c:voutf() function that may result in information exposure and denial of service.
Vulnerability category: Denial of service
Products affected by CVE-2018-16842
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
- 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:18.10:*:*:*:*:*:*:*
- cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-16842
1.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 85 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-16842
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.4
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:P |
10.0
|
4.9
|
NIST | |
|
9.1
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
3.9
|
5.2
|
NIST | |
|
4.4
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L |
1.8
|
2.5
|
Red Hat, Inc. |
CWE ids for CVE-2018-16842
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2018-16842
-
https://www.debian.org/security/2018/dsa-4331
Debian -- Security Information -- DSA-4331-1 curlThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2018/11/msg00005.html
[SECURITY] [DLA 1568-1] curl security updateMailing List;Third Party Advisory
-
https://usn.ubuntu.com/3805-2/
USN-3805-2: curl vulnerability | Ubuntu security noticesThird Party Advisory
-
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
Page not found | Oracle
-
http://www.securitytracker.com/id/1042014
curl Buffer Overflow Lets Remote Users Cause the Target Service to Crash - SecurityTrackerThird Party Advisory;VDB Entry
-
https://github.com/curl/curl/commit/d530e92f59ae9bb2d47066c3c460b25d2ffeb211
voutf: fix bad arethmetic when outputting warnings to stderr · curl/curl@d530e92 · GitHubPatch;Third Party Advisory
-
https://access.redhat.com/errata/RHSA-2019:2181
RHSA-2019:2181 - Security Advisory - Red Hat Customer Portal
-
https://security.gentoo.org/glsa/201903-03
cURL: Multiple vulnerabilities (GLSA 201903-03) — Gentoo securityThird Party Advisory
-
https://usn.ubuntu.com/3805-1/
USN-3805-1: curl vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16842
1644124 – (CVE-2018-16842) CVE-2018-16842 curl: Heap-based buffer over-read in the curl tool warning formattingIssue Tracking;Third Party Advisory
-
https://curl.haxx.se/docs/CVE-2018-16842.html
curl - warning message out-of-buffer read - CVE-2018-16842Patch;Vendor Advisory
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