Bug 2123394 (CVE-2022-39046) - CVE-2022-39046 glibc: a crafted input may allow information disclosure
Summary: CVE-2022-39046 glibc: a crafted input may allow information disclosure
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2022-39046
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2123395 2123396
Blocks: 2123398
TreeView+ depends on / blocked
 
Reported: 2022-09-01 14:41 UTC by Marian Rehak
Modified: 2022-09-23 14:50 UTC (History)
18 users (show)

Fixed In Version: glibc 2.37
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in the glibc package. If the Syslog function is passed a crafted input string larger than 1024 bytes, it reads uninitialized memory from the heap and prints it to the target log file, potentially revealing a portion of the contents of the heap.
Clone Of:
Environment:
Last Closed: 2022-09-23 14:41:21 UTC
Embargoed:

Attachments (Terms of Use)

Description Marian Rehak 2022-09-01 14:41:12 UTC 
When the syslog function is passed a crafted input string larger than 1024 bytes, it reads uninitialized memory from the heap and prints it to the target log file, potentially revealing a portion of the contents of the heap.

Reference:

https://sourceware.org/bugzilla/show_bug.cgi?id=29536
Comment 1 Marian Rehak 2022-09-01 14:41:34 UTC 
Created glibc tracking bugs for this issue:

Affects: fedora-all [bug 2123395]


Created zig tracking bugs for this issue:

Affects: fedora-all [bug 2123396]
Note You need to log in before you can comment on or make changes to this bug.