A vulnerability was discovered and corrected in acl :

The (1) setfacl and (2) getfacl commands in XFS acl 2.2.47, when running in recursive (-R) mode, follow symbolic links even when the
--physical (aka -P) or -L option is specified, which might allow local users to modify the ACL for arbitrary files or directories via a symlink attack (CVE-2009-4411).

This update provides a fix for this vulnerability.

New acl packages are available for Slackware 11.0, 12.0, 12.1, 12.2, 13.0, 13.1, and -current to fix a security issue.

the setfacl tool followed symbolic links in recursive (-R) mode even if the --physical (-P) option was specified (CVE-2009-4411).

The remote host is affected by the vulnerability described in GLSA-201412-08 (Multiple packages, Multiple vulnerabilities fixed in 2010)

    Vulnerabilities have been discovered in the packages listed below.
      Please review the CVE identifiers in the Reference section for details.
      Insight       Perl Tk Module       Source-Navigator       Tk       Partimage       Mlmmj       acl       Xinit       gzip       ncompress       liblzw       splashutils       GNU M4       KDE Display Manager       GTK+       KGet       dvipng       Beanstalk       Policy Mount       pam_krb5       GNU gv       LFTP       Uzbl       Slim       Bitdefender Console       iputils       DVBStreamer   Impact :

    A context-dependent attacker may be able to gain escalated privileges,       execute arbitrary code, cause Denial of Service, obtain sensitive       information, or otherwise bypass security restrictions.
  Workaround :

    There are no known workarounds at this time.

The setfacl tool followed symbolic links in recursive (-R) mode even if the --physical (-P) option was specified (CVE-2009-4411). This has been fixed.

ID	Name	Product	Family	Published	Updated	Severity
43610	Mandriva Linux Security Advisory : acl (MDVSA-2009:345)	Nessus	Mandriva Local Security Checks	12/29/2009	1/6/2021	low
53476	Slackware 11.0 / 12.0 / 12.1 / 12.2 / 13.0 / 13.1 / current : acl (SSA:2011-108-01)	Nessus	Slackware Local Security Checks	4/19/2011	1/14/2021	low
44360	openSUSE Security Update : acl (acl-1803)	Nessus	SuSE Local Security Checks	2/2/2010	1/14/2021	low
79961	GLSA-201412-08 : Multiple packages, Multiple vulnerabilities fixed in 2010	Nessus	Gentoo Local Security Checks	12/15/2014	1/6/2021	critical
44366	openSUSE Security Update : acl (acl-1803)	Nessus	SuSE Local Security Checks	2/2/2010	1/14/2021	low
44376	SuSE 11 Security Update : acl and libacl (SAT Patch Number 1804)	Nessus	SuSE Local Security Checks	2/2/2010	1/14/2021	low

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