Heap-Based Buffer Over-Read in Libsoup from GNOME
CVE-2019-17266

9.8CRITICAL

Key Information:

Vendor

Gnome
Status
Libsoup
Vendor
CVE Published:
6 October 2019

What is CVE-2019-17266?

Libsoup, a GNOME-based networking library, exhibits a vulnerability due to improper length checks in the soup_ntlm_parse_challenge() function. This flaw can lead to a heap-based buffer over-read when processing NTLM messages. It affects versions from 2.65.1 to 2.68.1, potentially enabling attackers to exploit the over-read and access sensitive information. Users are recommended to update to patched versions to mitigate this risk.

References

https://gitlab.gnome.org/GNOME/libsoup/issues/173
x_refsource_MISC
https://security-tracker.debian.org/tracker/CVE-2019-17266
x_refsource_MISC
https://gitlab.gnome.org/GNOME/libsoup/commit/88b7dff4467...
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.