CVE-2020-11728

An issue was discovered in DAViCal Andrew's Web Libraries (AWL) through 0.60. Session management does not use a sufficiently hard-to-guess session key. Anyone who can guess the microsecond time (and the incrementing session_id) can impersonate a session.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=956650	Mailing List Third Party Advisory
https://gitlab.com/davical-project/awl/-/issues/19	Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/04/msg00011.html	Mailing List Third Party Advisory
https://www.debian.org/security/2020/dsa-4660	Third Party Advisory
https://usn.ubuntu.com/4539-1/

Advertisement

Configurations

Configuration 1 (hide)

cpe:2.3:a:davical:andrew\'s_web_libraries:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:8.0:::::::*
	cpe:2.3:o:debian:debian_linux:9.0:::::::*
	cpe:2.3:o:debian:debian_linux:10.0:::::::*

Information

Published : 2020-04-15 09:15

Updated : 2020-09-28 11:15

NVD link : CVE-2020-11728

Mitre link : CVE-2020-11728

JSON object : View

CWE

CWE-384

Session Fixation

Advertisement

Products Affected

debian

debian_linux

davical

andrew\'s_web_libraries

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=956650", "name": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=956650", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://gitlab.com/davical-project/awl/-/issues/19", "name": "https://gitlab.com/davical-project/awl/-/issues/19", "tags": ["Issue Tracking", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/04/msg00011.html", "name": "[debian-lts-announce] 20200417 [SECURITY] [DLA 2178-1] awl security update", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "https://www.debian.org/security/2020/dsa-4660", "name": "DSA-4660", "tags": ["Third Party Advisory"], "refsource": "DEBIAN"}, {"url": "https://usn.ubuntu.com/4539-1/", "name": "USN-4539-1", "tags": [], "refsource": "UBUNTU"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "An issue was discovered in DAViCal Andrew's Web Libraries (AWL) through 0.60. Session management does not use a sufficiently hard-to-guess session key. Anyone who can guess the microsecond time (and the incrementing session_id) can impersonate a session."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-384"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2020-11728", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 3.9}}, "publishedDate": "2020-04-15T16:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:davical:andrew\\'s_web_libraries:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "0.60"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2020-09-28T18:15Z"}