CVE-2019-10064: debian debian_linux Insufficient Entropy
Vulnerability summary
CVE-2019-10064 is a high (CVSS 7.5) Insufficient Entropy vulnerability in debian debian_linux. EPSS estimates a 3.84% chance of exploitation in the next 30 days, higher than 90% of scored vulnerabilities. 3 public exploits are recorded.
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 28-02-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
hostapd before 2.6, in EAP mode, makes calls to the rand() and random() standard library functions without any preceding srand() or srandom() call, which results in inappropriate use of deterministic values. This was fixed in conjunction with CVE-2016-10743.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
3.84%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
0.00 pp
From 3.84% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
3 foundExploit Reference (openwall.com)
Maturity: unknown
Exploit Reference (seclists.org)
Maturity: unknown
Exploit Reference (packetstormsecurity.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian2 products
- wpa< 2:2.6-7 | < 2.3-1+deb8u10
- debian_linuxEOL8.0 | 9.0
Ubuntu1 product
- wpaAll versions (No fix recorded)
W1.fi1 product
- hostapd< 2.6
3 vendors · 4 products
References
12 links- w1.fi/cgit/hostap/commit/?id=98a516eae8260e6fd5c48ddecf8d006285da7389X Refsource MISCPatchThird Party Advisory
- www.openwall.com/lists/oss-security/2020/02/27/1Mailing ListX Refsource MLISTExploitThird Party Advisory
- packetstormsecurity.com/files/156573/Hostapd-Insufficient-Entropy.htmlX Refsource MISCExploitThird Party AdvisoryVDB Entry
lists.debian.org/debian-lts-announce/2020/03/msg00010.htmlMailing ListX Refsource MLISTThird Party Advisory- lists.debian.org/debian-lts-announce/2020/08/msg00013.htmlMailing ListX Refsource MLISTThird Party Advisory