csaf_opensuse - opensuse-su-2020:1997-1

opensuse-su-2020:1997-1

Vulnerability from csaf_opensuse

Published

2020-11-22 19:22

Modified

2020-11-22 19:22

Summary

Security update for blueman

Notes

Title of the patch

Security update for blueman

Description of the patch

This update for blueman fixes the following issues: - Update to version 2.1.4 * CVE-2020-15238: Fixed a local denial-of-service in the D-Bus interface (boo#1178196)

Patchnames

openSUSE-2020-1997

CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).

JSON

To clipboard

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}

CVE-2020-15238 (GCVE-0-2020-15238)

Vulnerability from cvelistv5

Published

2020-10-27 19:00

Modified

2024-08-04 13:08

Severity ?

7.1 (High) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:L

CWE

CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Summary

Blueman is a GTK+ Bluetooth Manager. In Blueman before 2.1.4, the DhcpClient method of the D-Bus interface to blueman-mechanism is prone to an argument injection vulnerability. The impact highly depends on the system configuration. If Polkit-1 is disabled and for versions lower than 2.0.6, any local user can possibly exploit this. If Polkit-1 is enabled for version 2.0.6 and later, a possible attacker needs to be allowed to use the `org.blueman.dhcp.client` action. That is limited to users in the wheel group in the shipped rules file that do have the privileges anyway. On systems with ISC DHCP client (dhclient), attackers can pass arguments to `ip link` with the interface name that can e.g. be used to bring down an interface or add an arbitrary XDP/BPF program. On systems with dhcpcd and without ISC DHCP client, attackers can even run arbitrary scripts by passing `-c/path/to/script` as an interface name. Patches are included in 2.1.4 and master that change the DhcpClient D-Bus method(s) to accept BlueZ network object paths instead of network interface names. A backport to 2.0(.8) is also available. As a workaround, make sure that Polkit-1-support is enabled and limit privileges for the `org.blueman.dhcp.client` action to users that are able to run arbitrary commands as root anyway in /usr/share/polkit-1/rules.d/blueman.rules.

References

▼	URL	Tags
	https://github.com/blueman-project/blueman/security/advisories/GHSA-jpc9-mgw6-2xwx	x_refsource_CONFIRM
	https://github.com/blueman-project/blueman/releases/tag/2.1.4	x_refsource_MISC
	https://bugs.launchpad.net/ubuntu/+source/blueman/+bug/1897287	x_refsource_MISC
	https://www.debian.org/security/2020/dsa-4781	vendor-advisory, x_refsource_DEBIAN
	http://packetstormsecurity.com/files/159740/Blueman-Local-Root-Privilege-Escalation.html	x_refsource_MISC
	https://lists.debian.org/debian-lts-announce/2020/11/msg00005.html	mailing-list, x_refsource_MLIST
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6CFLMNHAHX5HPIKC5IG6F25HO5Z6RH2N/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W52NP7HRFTNAVNZLGKY4GR3JIZG5KKGS/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3F4EQU6CAPBKAPJ42HTB473NJLXFKB32/	vendor-advisory, x_refsource_FEDORA
	https://security.gentoo.org/glsa/202011-11	vendor-advisory, x_refsource_GENTOO

Impacted products

	Vendor	Product	Version
	blueman-project	blueman	Version: < 2.1.4

Show details on NVD website

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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