[Bug 264128] Out-of-bounds read in pfct l(8) when run with -a “” (as in “period ic daily”).
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Date: Sun, 22 May 2022 09:00:42 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=264128
--- Comment #1 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:
URL:
https://cgit.FreeBSD.org/src/commit/?id=298663855015c1eba7ccf5b88168f433653eb609
commit 298663855015c1eba7ccf5b88168f433653eb609
Author: Jessica Clarke <jrtc27@FreeBSD.org>
AuthorDate: 2022-05-22 08:31:42 +0000
Commit: Kristof Provost <kp@FreeBSD.org>
CommitDate: 2022-05-22 08:31:42 +0000
pfctl: fix out-of-bounds access
If pfctl is called with "pfctl -a ''" we read outside of the anchoropt
buffer. Check that the buffer is sufficiently long to avoid that.
Maintain the existing (and desired, because it's used as such in
/etc/periodic/security/520.pfdenied) behaviour of treating "-a ''" as a
request for the root anchor (or no anchor specified).
PR: 264128
Reviewed by: kp
sbin/pfctl/pfctl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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