Bug 2186490 (CVE-2023-26553) - CVE-2023-26553 ntp: an out-of-bounds write when copying the trailing number
Summary: CVE-2023-26553 ntp: an out-of-bounds write when copying the trailing number
Keywords:
Status: NEW
Alias: CVE-2023-26553
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Nobody
QA Contact:
URL:
Whiteboard:
Depends On: 2187696 2187700
Blocks: 2186078
TreeView+ depends on / blocked
 
Reported: 2023-04-13 13:23 UTC by Marian Rehak
Modified: 2023-07-10 14:27 UTC (History)
1 user (show)

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An out-of-bounds write flaw was found in the ntp package. A remote attacker may trigger this vulnerability by sending malicious data packets to the ntp server. An adversary may be able to attack a client ntpq process, but cannot attack ntpd.
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Description Marian Rehak 2023-04-13 13:23:45 UTC 
mstolfp.o belongs to the libntp component. As an upstream library, the libntp component can affect many other components, such as ntpd. A remote attacker may trigger this vulnerability by sending malicious data packets to the ntp server.
Comment 2 Marian Rehak 2023-04-18 12:56:31 UTC 
Created ntp tracking bugs for this issue:

Affects: fedora-all [bug 2187696]
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