UBUNTU-CVE-2019-6442
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Summary:
Details: An issue was discovered in NTPsec before 1.1.3. An authenticated attacker can write one byte out of bounds in ntpd via a malformed config request, related to config_remotely in ntp_config.c, yyparse in ntp_parser.tab.c, and yyerror in ntp_parser.y.
References: https://ubuntu.com/security/CVE-2019-6442, https://dumpco.re/blog/ntpsec-bugs, https://dumpco.re/bugs/ntpsec-authed-oobwrite, https://github.com/ntpsec/ntpsec/blob/NTPsec_1_1_3/NEWS, https://www.exploit-db.com/exploits/46178/, https://www.cve.org/CVERecord?id=CVE-2019-6442
Affected packages
Package
Name: ntpsec
Purl: pkg:deb/ubuntu/[email protected]+dfsg1-1ubuntu0.2?arch=source&distro=bionic
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -1.1.0+dfsg1-1ubuntu0.2
Affected versions
1.0.0+dfsg1-1
1.0.0+dfsg1-3
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
