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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 8.4 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.41% probability · 34th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- neutrinolabs/xrdp · debian/debian linux
- Source
- cve@mitre.org
References
- https://github.com/neutrinolabs/xrdp/pull/958Issue Tracking, Patch
- https://groups.google.com/forum/#%21topic/xrdp-devel/PmVfMuy_xBA
- https://lists.debian.org/debian-lts-announce/2017/12/msg00005.html
- https://github.com/neutrinolabs/xrdp/pull/958Issue Tracking, Patch
- https://groups.google.com/forum/#%21topic/xrdp-devel/PmVfMuy_xBA
- https://lists.debian.org/debian-lts-announce/2017/12/msg00005.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.