Home/CVE/QAbstractOAuth in Qt Network Authorization in Qt before 5.15.17, 6.x before 6.2.13, 6.3.x through 6.5.x before 6.5.6, an
CVE

CVE-2024-36048

QAbstractOAuth in Qt Network Authorization in Qt before 5.15.17, 6.x before 6.2.13, 6.3.x through 6.5.x before 6.5.6, an

QAbstractOAuth in Qt Network Authorization in Qt before 5.15.17, 6.x before 6.2.13, 6.3.x through 6.5.x before 6.5.6, and 6.6.x through 6.7.x before 6.7.1 uses only the time to seed the PRNG, which may result in guessable values.

CRITICAL · CVSS 9.8 EPSS 0.00483
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-335Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG)
▤

Affected Products & Versions

5
qt< 5.15.17
qt>= 6.0.0 and < 6.2.13
qt>= 6.3.0 and < 6.5.6
qt>= 6.6.0 and < 6.7.1
fedoraproject fedoraall versions
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 May 2024 · 09:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

4
suse-csafopenSUSE-SU-2024:14003-1
suse-csafopenSUSE-SU-2024:14006-1
suse-csafopenSUSE-SU-2024:0143-1
suse-csafopenSUSE-SU-2024:0138-1
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://codereview.qt-project.org/c/qt/qtnetworkauth/+/560317Patch
https://codereview.qt-project.org/c/qt/qtnetworkauth/+/560368Patch
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RGB6KUPJFQWUBKXVDPJUMAD6KNJJEWPW/Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZOOZZZSK5PNRHFGQMUGUHVYWLILFJCRS/Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZPHAI3DKDCIU6XLNS6PV6GFS2PHH3GZM/Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RGB6KUPJFQWUBKXVDPJUMAD6KNJJEWPW/
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