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CVE-2019-6454

Good to know:

Date: March 21, 2019

An issue was discovered in sd-bus in systemd 239. bus_process_object() in libsystemd/sd-bus/bus-objects.c allocates a variable-length stack buffer for temporarily storing the object path of incoming D-Bus messages. An unprivileged local user can exploit this by sending a specially crafted message to PID1, causing the stack pointer to jump over the stack guard pages into an unmapped memory region and trigger a denial of service (systemd PID1 crash and kernel panic).

Language: C

Severity Score

4.4

Related Resources (25)

Url: https://access.redhat.com/errata/RHSA-2019:0990

Url: https://security-tracker.debian.org/tracker/CVE-2019-6454

Url: https://kc.mcafee.com/corporate/index?page=content&id=SB10278

Url: http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00062.html

Url: https://security.netapp.com/advisory/ntap-20190327-0004/

Url: https://access.redhat.com/errata/RHSA-2019:0368

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2019-6454

Url: https://access.redhat.com/errata/RHSA-2019:1322

Url: http://www.openwall.com/lists/oss-security/2021/07/20/2

Url: https://nvd.nist.gov/vuln/detail/CVE-2019-6454

Url: https://www.debian.org/security/2019/dsa-4393

Url: http://www.securityfocus.com/bid/107081

Url: https://lists.debian.org/debian-lts-announce/2019/02/msg00031.html

Url: http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00070.html

Url: http://www.openwall.com/lists/oss-security/2019/02/18/3

Url: https://usn.ubuntu.com/3891-1/

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/N67IOBOTDOMVNQJ5QRU2MXLEECXPGNVJ/

Url: http://www.openwall.com/lists/oss-security/2019/02/19/1

Url: https://github.com/systemd/systemd/commit/f519a19bcd5afe674a9b8fc462cd77d8bad403c1#diff-88d4b05d65f1377f716024145dc65d16

Url: https://access.redhat.com/errata/RHSA-2019:1502

Url: https://access.redhat.com/security/cve/CVE-2019-6454

Url: https://github.com/systemd/systemd/commits/master/src/libsystemd/sd-bus/bus-objects.c

Url: https://access.redhat.com/errata/RHSA-2019:2805

Url: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6454

Url: https://www.mend.io/vulnerability-database/CVE-2019-6454

Severity Score

4.4

Weakness Type (CWE)

Buffer Errors

CWE-119

Out-of-bounds Write

CWE-787

Top Fix

Upgrade Version

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CVSS v3

Base Score:	4.4
Attack Vector (AV):
Attack Complexity (AC):
Privileges Required (PR):
User Interaction (UI):
Scope (S):
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL

CVSS v2

Base Score:	8.6
Access Vector (AV):
Access Complexity (AC):
Authentication (AU):
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH
Additional information:

Mend.io Vulnerability Database

We found results for “”

CVE-2019-6454

Good to know:

Date: March 21, 2019

Language: C

Severity Score

Related Resources (25)

Severity Score

Weakness Type (CWE)

Top Fix

Upgrade Version

CVSS v3

CVSS v2

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