National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-17266 Detail

Current Description

libsoup from versions 2.65.1 until 2.68.1 have a heap-based buffer over-read because soup_ntlm_parse_challenge() in soup-auth-ntlm.c does not properly check an NTLM message's length before proceeding with a memcpy.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.1 Severity and Metrics:

Base Score: 9.8 CRITICAL
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H (V3.1 legend)
Impact Score: 5.9
Exploitability Score: 3.9


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=941912 Third Party Advisory
https://github.com/Kirin-say/Vulnerabilities/blob/master/CVE-2019-17266_POC.md Third Party Advisory
https://gitlab.gnome.org/GNOME/libsoup/commit/88b7dff4467f4151afae244ea7d1223753cd05ab Third Party Advisory
https://gitlab.gnome.org/GNOME/libsoup/commit/f8a54ac85eec2008c85393f331cdd251af8266ad Third Party Advisory
https://gitlab.gnome.org/GNOME/libsoup/issues/173 Broken Link Issue Tracking Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2019-17266 Third Party Advisory
https://usn.ubuntu.com/4152-1/ Third Party Advisory
https://www.mail-archive.com/debian-bugs-dist@lists.debian.org/msg1705054.html Third Party Advisory

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:gnome:libsoup:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
2.68.1

Configuration 2 ( hide )
 cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-17266
NVD Published Date:
10/06/2019
NVD Last Modified:
10/10/2019