#VU29240 Out-of-bounds read in libsoup - CVE-2019-17266
Published: June 25, 2020
Vulnerability identifier: #VU29240
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-17266
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
libsoup
libsoup
Software vendor:
Gnome Development Team
Gnome Development Team
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition when processing NTLM messages in soup_ntlm_parse_challenge() function in soup-auth-ntlm.c. A remote attacker can send a specially crafted NTLM message to the application, trigger a heap-based buffer over-read and read sensitive data from system memory.
Remediation
Install updates from vendor's website.
External links
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=941912
- https://github.com/Kirin-say/Vulnerabilities/blob/master/CVE-2019-17266_POC.md
- https://gitlab.gnome.org/GNOME/libsoup/commit/88b7dff4467f4151afae244ea7d1223753cd05ab
- https://gitlab.gnome.org/GNOME/libsoup/commit/f8a54ac85eec2008c85393f331cdd251af8266ad
- https://gitlab.gnome.org/GNOME/libsoup/issues/173
- https://security-tracker.debian.org/tracker/CVE-2019-17266
- https://usn.ubuntu.com/4152-1/
- https://www.mail-archive.com/debian-bugs-dist@lists.debian.org/msg1705054.html