9.8
CRITICAL
CVE-2018-16839
Curl SASL Authentication Buffer Overrun
Description

Curl versions 7.33.0 through 7.61.1 are vulnerable to a buffer overrun in the SASL authentication code that may lead to denial of service.

INFO

Published Date :

Oct. 31, 2018, 6:29 p.m.

Last Modified :

Nov. 7, 2023, 2:53 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2018-16839 has a 6 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2018-16839 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Canonical ubuntu_linux
1 Debian debian_linux
1 Haxx curl
: Total Affected Vendor : 3 | Products : 3
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2018-16839.

URL Resource
http://www.securitytracker.com/id/1042012 Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16839 Issue Tracking Third Party Advisory
https://curl.haxx.se/docs/CVE-2018-16839.html Patch Vendor Advisory
https://github.com/curl/curl/commit/f3a24d7916b9173c69a3e0ee790102993833d6c5 Patch Third Party Advisory
https://lists.apache.org/thread.html/8338a0f605bdbb3a6098bb76f666a95fc2b2f53f37fa1ecc89f1146f%40%3Cdevnull.infra.apache.org%3E
https://lists.debian.org/debian-lts-announce/2018/11/msg00005.html Mailing List Third Party Advisory
https://security.gentoo.org/glsa/201903-03 Third Party Advisory
https://usn.ubuntu.com/3805-1/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4331 Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
Mohzeela/external-secret

None

Updated: 2 years, 1 month ago
0 stars 0 fork 0 watcher
Born at : Aug. 3, 2022, 7:11 p.m. This repo has been linked 61 different CVEs too.
Profile Photo
umahari/security

None

Dockerfile Makefile Shell Go Smarty Open Policy Agent Mustache

Updated: 3 years, 6 months ago
0 stars 1 fork 1 watcher
Born at : Feb. 25, 2021, 9:59 a.m. This repo has been linked 61 different CVEs too.
Profile Photo
siddharthraopotukuchi/trivy

None

Dockerfile Makefile

Updated: 2 years ago
1 stars 0 fork 0 watcher
Born at : Dec. 15, 2020, 7:02 p.m. This repo has been linked 61 different CVEs too.
Profile Photo
t31m0/Vulnerability-Scanner-for-Containers

None

Dockerfile Makefile Shell Go Smarty Open Policy Agent

Updated: 2 months, 4 weeks ago
2 stars 0 fork 0 watcher
Born at : Sept. 21, 2020, 7:37 a.m. This repo has been linked 61 different CVEs too.
Profile Photo
simiyo/trivy

None

Dockerfile Makefile Shell Go Smarty

Updated: 4 years, 3 months ago
0 stars 0 fork 0 watcher
Born at : June 6, 2020, 2:22 a.m. This repo has been linked 54 different CVEs too.
Profile Photo
KorayAgaya/TrivyWeb

A Simple and Comprehensive Vulnerability Scanner for Containers, Suitable for CI for Web

Python HTML CSS JavaScript

Updated: 1 month ago
0 stars 0 fork 0 watcher
Born at : Aug. 2, 2019, 8:26 a.m. This repo has been linked 51 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2018-16839 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-16839 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://lists.apache.org/thread.html/8338a0f605bdbb3a6098bb76f666a95fc2b2f53f37fa1ecc89f1146f%40%3Cdevnull.infra.apache.org%3E [No types assigned]
    Removed Reference Red Hat, Inc. https://lists.apache.org/thread.html/8338a0f605bdbb3a6098bb76f666a95fc2b2f53f37fa1ecc89f1146f@%3Cdevnull.infra.apache.org%3E
  • CVE Modified by [email protected]

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CVSS V3 Red Hat, Inc. AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
    Added CWE Red Hat, Inc. CWE-122
    Added CWE Red Hat, Inc. CWE-190
  • Modified Analysis by [email protected]

    Apr. 16, 2019

    Action Type Old Value New Value
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2018/11/msg00005.html Third Party Advisory https://lists.debian.org/debian-lts-announce/2018/11/msg00005.html Mailing List, Third Party Advisory
    Changed Reference Type https://lists.apache.org/thread.html/8338a0f605bdbb3a6098bb76f666a95fc2b2f53f37fa1ecc89f1146f@%3Cdevnull.infra.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/8338a0f605bdbb3a6098bb76f666a95fc2b2f53f37fa1ecc89f1146f@%3Cdevnull.infra.apache.org%3E Mailing List, Third Party Advisory
  • CVE Modified by [email protected]

    Apr. 04, 2019

    Action Type Old Value New Value
    Added Reference https://lists.apache.org/thread.html/8338a0f605bdbb3a6098bb76f666a95fc2b2f53f37fa1ecc89f1146f@%3Cdevnull.infra.apache.org%3E [No Types Assigned]
  • Modified Analysis by [email protected]

    Mar. 11, 2019

    Action Type Old Value New Value
    Changed Reference Type https://security.gentoo.org/glsa/201903-03 No Types Assigned https://security.gentoo.org/glsa/201903-03 Third Party Advisory
  • CVE Modified by [email protected]

    Mar. 11, 2019

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201903-03 [No Types Assigned]
  • Initial Analysis by [email protected]

    Dec. 07, 2018

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://usn.ubuntu.com/3805-1/ No Types Assigned https://usn.ubuntu.com/3805-1/ Third Party Advisory
    Changed Reference Type https://github.com/curl/curl/commit/f3a24d7916b9173c69a3e0ee790102993833d6c5 No Types Assigned https://github.com/curl/curl/commit/f3a24d7916b9173c69a3e0ee790102993833d6c5 Patch, Third Party Advisory
    Changed Reference Type http://www.securitytracker.com/id/1042012 No Types Assigned http://www.securitytracker.com/id/1042012 Third Party Advisory, VDB Entry
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2018/11/msg00005.html No Types Assigned https://lists.debian.org/debian-lts-announce/2018/11/msg00005.html Third Party Advisory
    Changed Reference Type https://curl.haxx.se/docs/CVE-2018-16839.html No Types Assigned https://curl.haxx.se/docs/CVE-2018-16839.html Patch, Vendor Advisory
    Changed Reference Type https://www.debian.org/security/2018/dsa-4331 No Types Assigned https://www.debian.org/security/2018/dsa-4331 Third Party Advisory
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16839 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16839 Issue Tracking, Third Party Advisory
    Added CWE CWE-119
    Added CPE Configuration OR *cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:* versions from (including) 7.33.0 up to (including) 7.61.1
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *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:18.10:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Nov. 07, 2018

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2018/11/msg00005.html [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 03, 2018

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2018/dsa-4331 [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 01, 2018

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3805-1/ [No Types Assigned]
    Added Reference http://www.securitytracker.com/id/1042012 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2018-16839 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2018-16839 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-100: Overflow Buffers Overflow Buffers CAPEC-123: Buffer Manipulation Buffer Manipulation CAPEC-92: Forced Integer Overflow Forced Integer Overflow CAPEC-92: Forced Integer Overflow Forced Integer Overflow
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.58 }} 0.46%

score

0.87361

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: