CVE-2017-9847 — MEDIUM (5.5)

Vulnerability Description

The bdecode function in bdecode.cpp in libtorrent 1.1.3 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted file.

CVSS Score

5.5

MEDIUM

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Libtorrent	Libtorrent	1.1.3

Related Weaknesses (CWE)

CWE-125

References

https://github.com/arvidn/libtorrent/issues/2099Issue TrackingPatchThird Party Advisory
https://github.com/arvidn/libtorrent/issues/2099Issue TrackingPatchThird Party Advisory

FAQ

What is CVE-2017-9847?

CVE-2017-9847 is a vulnerability with a CVSS score of 5.5 (MEDIUM). The bdecode function in bdecode.cpp in libtorrent 1.1.3 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted file.

How severe is CVE-2017-9847?

CVE-2017-9847 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-9847?

Check the references section above for vendor advisories and patch information. Affected products include: Libtorrent Libtorrent.