Buffer overflow in Neutrinolabs Xrdp
CVE-2017-16927
The scp_v0s_accept function in sesman/libscp/libscp_v0.c in the session manager in xrdp through 0.9.4 uses an untrusted integer as a write length, which allows local users to cause a denial of service (buffer overflow and application crash) or possibly have unspecified other impact via a crafted input stream.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.4 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (32.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Neutrinolabs Xrdp
- Debian Linux — versions 7.0
Weakness classification (CWE)
References
- groups.google.com/forum/
- github.com/neutrinolabs/xrdp/pull/958 (Patch, Issue Tracking)
- lists.debian.org/debian-lts-announce/2017/12/msg00005.html (mailing-list)
Frequently asked questions
- What is CVE-2017-16927?
- CVE-2017-16927 is a high-severity vulnerability in Neutrinolabs Xrdp, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.4/10. Published 2017-11-23.
- How severe is CVE-2017-16927?
- High severity. CVSS v3 base score is 8.4 out of 10.