Bug 2044905 (CVE-2021-45926) - CVE-2021-45926 mdbtools: stack-based buffer overflow in mdb_numeric_to_string
Summary: CVE-2021-45926 mdbtools: stack-based buffer overflow in mdb_numeric_to_string
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2021-45926
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2044908 2044909 2044906
Blocks:
TreeView+ depends on / blocked
 
Reported: 2022-01-25 10:44 UTC by Marian Rehak
Modified: 2022-01-25 11:31 UTC (History)
3 users (show)

Fixed In Version:
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Clone Of:
Environment:
Last Closed: 2022-01-25 11:31:24 UTC


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Description Marian Rehak 2022-01-25 10:44:21 UTC
MDB Tools (aka mdbtools) 0.9.2 has a stack-based buffer overflow (at 0x7ffd0c689be0) in mdb_numeric_to_string (called from mdb_xfer_bound_data and _mdb_attempt_bind).

Reference:

https://github.com/mdbtools/mdbtools/commit/373b7ff4c4daf887269c078407cb1338942c4ea6
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/mdbtools/OSV-2021-958.yaml
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35972

Comment 1 Marian Rehak 2022-01-25 10:44:47 UTC
Created mdbtools tracking bugs for this issue:

Affects: epel-7 [bug 2044909]
Affects: fedora-34 [bug 2044906]
Affects: fedora-35 [bug 2044908]

Comment 2 Product Security DevOps Team 2022-01-25 11:31:22 UTC
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.


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