Vulnerability Monitor

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CVE-2018-1000140

rsyslog librelp version 1.2.14 and earlier contains a Buffer Overflow vulnerability in the checking of x509 certificates from a peer that can result in Remote code execution. This attack appear to be exploitable a remote attacker that can connect to rsyslog and trigger a stack buffer overflow by sending a specially crafted x509 certificate.

Published

2018-03-23T21:29:00.647

Last Modified

2024-11-21T03:39:46.300

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	rsyslog	librelp	≤ 1.2.14	Yes
Operating System	debian	debian_linux	8.0	Yes
Operating System	debian	debian_linux	9.0	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	redhat	enterprise_linux_desktop	6.0	Yes
Operating System	redhat	enterprise_linux_desktop	7.0	Yes
Operating System	redhat	enterprise_linux_server	6.0	Yes
Operating System	redhat	enterprise_linux_server	7.0	Yes
Operating System	redhat	enterprise_linux_server_aus	6.6	Yes
Operating System	redhat	enterprise_linux_server_aus	7.2	Yes
Operating System	redhat	enterprise_linux_server_aus	7.3	Yes
Operating System	redhat	enterprise_linux_server_aus	7.4	Yes
Operating System	redhat	enterprise_linux_server_aus	7.6	Yes
Operating System	redhat	enterprise_linux_server_eus	6.7	Yes
Operating System	redhat	enterprise_linux_server_eus	7.3	Yes
Operating System	redhat	enterprise_linux_server_eus	7.4	Yes
Operating System	redhat	enterprise_linux_server_eus	7.5	Yes
Operating System	redhat	enterprise_linux_server_eus	7.6	Yes
Operating System	redhat	enterprise_linux_server_tus	6.6	Yes
Operating System	redhat	enterprise_linux_server_tus	7.2	Yes
Operating System	redhat	enterprise_linux_server_tus	7.3	Yes
Operating System	redhat	enterprise_linux_server_tus	7.4	Yes
Operating System	redhat	enterprise_linux_server_tus	7.6	Yes
Operating System	redhat	enterprise_linux_workstation	6.0	Yes
Operating System	redhat	enterprise_linux_workstation	7.0	Yes

References

http://packetstormsecurity.com/files/172829/librelp-Remote-Code-Execution.html ([email protected])
https://access.redhat.com/errata/RHSA-2018:1223 Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2018:1225 Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2018:1701 Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2018:1702 Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2018:1703 Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2018:1704 Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2018:1707 Third Party Advisory ([email protected])
https://github.com/rsyslog/librelp/blob/532aa362f0f7a8d037505b0a27a1df452f9bac9e/src/tcp.c#L1205 Patch, Third Party Advisory ([email protected])
https://lgtm.com/rules/1505913226124/ Exploit, Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/201804-21 Third Party Advisory ([email protected])
https://usn.ubuntu.com/3612-1/ Third Party Advisory ([email protected])
https://www.debian.org/security/2018/dsa-4151 Third Party Advisory ([email protected])
http://packetstormsecurity.com/files/172829/librelp-Remote-Code-Execution.html (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2018:1223 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2018:1225 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2018:1701 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2018:1702 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2018:1703 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2018:1704 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2018:1707 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/rsyslog/librelp/blob/532aa362f0f7a8d037505b0a27a1df452f9bac9e/src/tcp.c#L1205 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lgtm.com/rules/1505913226124/ Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201804-21 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/3612-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2018/dsa-4151 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)