Vulnerability 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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnome | Libsoup | >= 2.65.1, < 2.66.4 |
| Canonical | Ubuntu Linux | 18.04 |
Related Weaknesses (CWE)
References
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=941912Third Party Advisory
- https://github.com/Kirin-say/Vulnerabilities/blob/master/CVE-2019-17266_POC.mdThird Party Advisory
- https://gitlab.gnome.org/GNOME/libsoup/commit/88b7dff4467f4151afae244ea7d1223753Third Party Advisory
- https://gitlab.gnome.org/GNOME/libsoup/commit/f8a54ac85eec2008c85393f331cdd251afThird Party Advisory
- https://gitlab.gnome.org/GNOME/libsoup/issues/173Broken LinkIssue TrackingThird Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2019-17266Third Party Advisory
- https://usn.ubuntu.com/4152-1/Third Party Advisory
- https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1705054.html
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=941912Third Party Advisory
- https://github.com/Kirin-say/Vulnerabilities/blob/master/CVE-2019-17266_POC.mdThird Party Advisory
- https://gitlab.gnome.org/GNOME/libsoup/commit/88b7dff4467f4151afae244ea7d1223753Third Party Advisory
- https://gitlab.gnome.org/GNOME/libsoup/commit/f8a54ac85eec2008c85393f331cdd251afThird Party Advisory
- https://gitlab.gnome.org/GNOME/libsoup/issues/173Broken LinkIssue TrackingThird Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2019-17266Third Party Advisory
- https://usn.ubuntu.com/4152-1/Third Party Advisory
FAQ
What is CVE-2019-17266?
CVE-2019-17266 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 ...
How severe is CVE-2019-17266?
CVE-2019-17266 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2019-17266?
Check the references section above for vendor advisories and patch information. Affected products include: Gnome Libsoup, Canonical Ubuntu Linux.