CVE-2017-16927
published 2017-11-23CVE-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…
PriorityP431high8.4CVSS 3.0
AVLACLPRNUINSUCHIHAH
EPSS
0.41%
32.6th percentile
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.
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| debian | xrdp | < xrdp 0.9.4-3 (bookworm) | xrdp 0.9.4-3 (bookworm) |
| neutrinolabs | xrdp | <= 0.9.4 | — |
| neutrinolabs | xrdp | >= 0 < 0.9.4-3 | 0.9.4-3 |
| neutrinolabs | xrdp | >= 0 < 0.9.4-3 | 0.9.4-3 |
| neutrinolabs | xrdp | >= 0 < 0.9.4-3 | 0.9.4-3 |
| neutrinolabs | xrdp | >= 0 < 0.9.4-3 | 0.9.4-3 |
| neutrinolabs | xrdp | >= 0 < 0.6.0-1ubuntu0.1+esm1 | 0.6.0-1ubuntu0.1+esm1 |
| neutrinolabs | xrdp | >= 0 < 0.6.1-2ubuntu0.3+esm1 | 0.6.1-2ubuntu0.3+esm1 |
CVSS provenance
nvdv3.08.4HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.2HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C
osv8.4HIGH
vendor_debian8.4HIGH
vendor_ubuntu8.4HIGH
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Ubuntu
xrdp vulnerabilities
vendor_ubuntu·2021-03-15·CVSS 8.4
CVE-2017-6967 [HIGH] xrdp vulnerabilities
Title: xrdp vulnerabilities
Summary: Several security issues were fixed in xrdp.
It was discovered that xrdp did not properly validate certain input in the
session manager. A local attacker could possibly use this issue to cause a
denial of service or other unspecified impact. (CVE-2017-16927)
It was discovered that xrdp did not properly initialize PAM session
modules. A remote attacker could possibly use this issue to escalate
privileges. (CVE-2017-6967)
Instructions: In general, a standard system update will make all the necessary changes.
Debian
CVE-2017-16927: xrdp - The scp_v0s_accept function in sesman/libscp/libscp_v0.c in the session manager ...
vendor_debian·2017·CVSS 8.4
CVE-2017-16927 [HIGH] CVE-2017-16927: xrdp - The scp_v0s_accept function in sesman/libscp/libscp_v0.c in the session manager ...
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.
Scope: local
bookworm: resolved (fixed in 0.9.4-3)
bullseye: resolved (fixed in 0.9.4-3)
forky: resolved (fixed in 0.9.4-3)
sid: resolved (fixed in 0.9.4-3)
trixie: resolved (fixed in 0.9.4-3)
GHSA
GHSA-26g9-q99r-c973: The scp_v0s_accept function in sesman/libscp/libscp_v0
ghsa_unreviewed·2022-05-13
CVE-2017-16927 [HIGH] CWE-119 GHSA-26g9-q99r-c973: The scp_v0s_accept function in sesman/libscp/libscp_v0
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.
OSV
xrdp vulnerabilities
osv·2021-03-15·CVSS 8.4
CVE-2017-16927 [HIGH] xrdp vulnerabilities
xrdp vulnerabilities
It was discovered that xrdp did not properly validate certain input in the
session manager. A local attacker could possibly use this issue to cause a
denial of service or other unspecified impact. (CVE-2017-16927)
It was discovered that xrdp did not properly initialize PAM session
modules. A remote attacker could possibly use this issue to escalate
privileges. (CVE-2017-6967)
OSV
CVE-2017-16927: The scp_v0s_accept function in sesman/libscp/libscp_v0
osv·2017-11-23·CVSS 8.4
CVE-2017-16927 [HIGH] CVE-2017-16927: The scp_v0s_accept function in sesman/libscp/libscp_v0
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.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2017-16927 xrdp: Buffer-overflow in scp_v0s_accept function in session manager [epel-all]
bugzilla·2017-11-23·CVSS 8.4
CVE-2017-16927 [HIGH] CVE-2017-16927 xrdp: Buffer-overflow in scp_v0s_accept function in session manager [epel-all]
CVE-2017-16927 xrdp: Buffer-overflow in scp_v0s_accept function in session manager [epel-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supp
Bugzilla
CVE-2017-16927 xrdp: Buffer-overflow in scp_v0s_accept function in session manager [fedora-all]
bugzilla·2017-11-23·CVSS 8.4
CVE-2017-16927 [HIGH] CVE-2017-16927 xrdp: Buffer-overflow in scp_v0s_accept function in session manager [fedora-all]
CVE-2017-16927 xrdp: Buffer-overflow in scp_v0s_accept function in session manager [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple
Bugzilla
CVE-2017-16927 xrdp: Buffer-overflow in scp_v0s_accept function in session manager
bugzilla·2017-11-23·CVSS 8.4
CVE-2017-16927 [HIGH] CVE-2017-16927 xrdp: Buffer-overflow in scp_v0s_accept function in session manager
CVE-2017-16927 xrdp: Buffer-overflow in scp_v0s_accept function in session manager
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.
Upstream patch:
https://github.com/neutrinolabs/xrdp/pull/958/commits/ebd0510a7d4dab906b6e01570205dfa530d1f7bf
References:
https://groups.google.com/forum/#!topic/xrdp-devel/PmVfMuy_xBA
Discussion:
Created xrdp tracking bugs for this issue:
Affects: epel-all [bug 1516760]
Affects: fedora-all [bug 1516761]
---
This CVE Bugzilla entry is for community support informational purposes only as it do
https://github.com/neutrinolabs/xrdp/pull/958https://groups.google.com/forum/#%21topic/xrdp-devel/PmVfMuy_xBAhttps://lists.debian.org/debian-lts-announce/2017/12/msg00005.htmlhttps://github.com/neutrinolabs/xrdp/pull/958https://groups.google.com/forum/#%21topic/xrdp-devel/PmVfMuy_xBAhttps://lists.debian.org/debian-lts-announce/2017/12/msg00005.html
2017-11-23
Published