5.9
MEDIUM CVSS 3.1
CVE-2019-16779
ZeroDay Software Excon HTTP Response Exposure
Description

In RubyGem excon before 0.71.0, there was a race condition around persistent connections, where a connection which is interrupted (such as by a timeout) would leave data on the socket. Subsequent requests would then read this data, returning content from the previous response. The race condition window appears to be short, and it would be difficult to purposefully exploit this.

INFO

Published Date :

Dec. 16, 2019, 8:15 p.m.

Last Modified :

Nov. 21, 2024, 4:31 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2019-16779 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 Opensuse leap
2 Opensuse backports_sle
1 Debian debian_linux
1 Excon_project excon
: Total Affected Vendor : 3 | Products : 4
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
Solution
Follow the instructions below to mitigate the CVE-2019-16779 vulnerability.
Upgrade the affected ruby-excon package.
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-2019-16779.

URL Resource
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00021.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00062.html Third Party Advisory
https://github.com/excon/excon/commit/ccb57d7a422f020dc74f1de4e8fb505ab46d8a29 Patch Third Party Advisory
https://github.com/excon/excon/security/advisories/GHSA-q58g-455p-8vw9 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/01/msg00015.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00021.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00062.html Third Party Advisory
https://github.com/excon/excon/commit/ccb57d7a422f020dc74f1de4e8fb505ab46d8a29 Patch Third Party Advisory
https://github.com/excon/excon/security/advisories/GHSA-q58g-455p-8vw9 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/01/msg00015.html Mailing List Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-16779 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-2019-16779 weaknesses.

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).

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

The following list is the news that have been mention CVE-2019-16779 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2019-16779 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00021.html
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00062.html
    Added Reference https://github.com/excon/excon/commit/ccb57d7a422f020dc74f1de4e8fb505ab46d8a29
    Added Reference https://github.com/excon/excon/security/advisories/GHSA-q58g-455p-8vw9
    Added Reference https://lists.debian.org/debian-lts-announce/2020/01/msg00015.html
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Oct. 28, 2021

    Action Type Old Value New Value
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00021.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00021.html Third Party Advisory
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00062.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00062.html Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/01/msg00015.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/01/msg00015.html Mailing List, Third Party Advisory
    Removed CWE NIST CWE-20
    Added CWE NIST CWE-362
    Added CPE Configuration OR *cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jan. 29, 2020

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00062.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 19, 2020

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2020/01/msg00015.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 14, 2020

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00021.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Dec. 30, 2019

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://github.com/excon/excon/commit/ccb57d7a422f020dc74f1de4e8fb505ab46d8a29 No Types Assigned https://github.com/excon/excon/commit/ccb57d7a422f020dc74f1de4e8fb505ab46d8a29 Patch, Third Party Advisory
    Changed Reference Type https://github.com/excon/excon/security/advisories/GHSA-q58g-455p-8vw9 No Types Assigned https://github.com/excon/excon/security/advisories/GHSA-q58g-455p-8vw9 Third Party Advisory
    Added CWE NIST CWE-20
    Added CPE Configuration OR *cpe:2.3:a:excon_project:excon:*:*:*:*:*:*:*:* versions up to (excluding) 0.71.0
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.
Vulnerability Scoring Details
Base CVSS Score: 5.9
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 4.3
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

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

0.56 }} 0.14%

score

0.67133

percentile