CVE-2018-20781

In pam/gkr-pam-module.c in GNOME Keyring before 3.27.2, the user's password is kept in a session-child process spawned from the LightDM daemon. This can expose the credential in cleartext.

CVSS v3.0 7.8 HIGH
CVSS v2.0 2.1 LOW

7.8^/10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

V2 Legend

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

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://gitlab.gnome.org/GNOME/gnome-keyring/tags/3.27.2	Release Notes Vendor Advisory
https://gitlab.gnome.org/GNOME/gnome-keyring/issues/3	Vendor Advisory
https://bugzilla.gnome.org/show_bug.cgi?id=781486	Issue Tracking Patch Vendor Advisory
https://bugs.launchpad.net/ubuntu/+source/gnome-keyring/+bug/1772919	Issue Tracking Patch Third Party Advisory
https://usn.ubuntu.com/3894-1/	Third Party Advisory
https://github.com/huntergregal/mimipenguin/tree/d95f1e08ce79783794f38433bbf7de5abd9792da	Third Party Advisory
https://github.com/huntergregal/mimipenguin	Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2021.html	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:gnome:gnome_keyring:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:14.04::::esm:::
	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::

Configuration 3 (hide)

cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*

Information

Published : 2019-02-12 09:29

Updated : 2021-03-16 07:02

NVD link : CVE-2018-20781

Mitre link : CVE-2018-20781

JSON object : View

CWE

CWE-522

Insufficiently Protected Credentials

Products Affected

canonical

ubuntu_linux

oracle

zfs_storage_appliance_kit

gnome

gnome_keyring

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://gitlab.gnome.org/GNOME/gnome-keyring/tags/3.27.2", "name": "https://gitlab.gnome.org/GNOME/gnome-keyring/tags/3.27.2", "tags": ["Release Notes", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://gitlab.gnome.org/GNOME/gnome-keyring/issues/3", "name": "https://gitlab.gnome.org/GNOME/gnome-keyring/issues/3", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "https://bugzilla.gnome.org/show_bug.cgi?id=781486", "name": "https://bugzilla.gnome.org/show_bug.cgi?id=781486", "tags": ["Issue Tracking", "Patch", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://bugs.launchpad.net/ubuntu/+source/gnome-keyring/+bug/1772919", "name": "https://bugs.launchpad.net/ubuntu/+source/gnome-keyring/+bug/1772919", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://usn.ubuntu.com/3894-1/", "name": "USN-3894-1", "tags": ["Third Party Advisory"], "refsource": "UBUNTU"}, {"url": "https://github.com/huntergregal/mimipenguin/tree/d95f1e08ce79783794f38433bbf7de5abd9792da", "name": "https://github.com/huntergregal/mimipenguin/tree/d95f1e08ce79783794f38433bbf7de5abd9792da", "tags": ["Third Party Advisory"], "refsource": "MISC"}, {"url": "https://github.com/huntergregal/mimipenguin", "name": "https://github.com/huntergregal/mimipenguin", "tags": ["Third Party Advisory"], "refsource": "MISC"}, {"url": "https://www.oracle.com/security-alerts/cpujan2021.html", "name": "https://www.oracle.com/security-alerts/cpujan2021.html", "tags": ["Third Party Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "In pam/gkr-pam-module.c in GNOME Keyring before 3.27.2, the user's password is kept in a session-child process spawned from the LightDM daemon. This can expose the credential in cleartext."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-522"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2018-20781", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 2.1, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "severity": "LOW", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}}, "publishedDate": "2019-02-12T17:29Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:gnome:gnome_keyring:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "3.27.2"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2021-03-16T14:02Z"}

7.8 /10