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author | 2015-03-08 22:02:38 +0100 | |
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committer | 2015-03-08 22:02:38 +0100 | |
commit | a24567fbc43f221b14e805f9bc0b7c6d16911c46 (patch) | |
tree | 910a04fe6ee560ac0eebac55f3cd2781c3519760 /glsa-200504-06.xml | |
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Import existing advisories
Diffstat (limited to 'glsa-200504-06.xml')
-rw-r--r-- | glsa-200504-06.xml | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/glsa-200504-06.xml b/glsa-200504-06.xml new file mode 100644 index 00000000..95b23ebe --- /dev/null +++ b/glsa-200504-06.xml @@ -0,0 +1,69 @@ +<?xml version="1.0" encoding="utf-8"?> +<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?> +<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> + +<glsa id="200504-06"> + <title>sharutils: Insecure temporary file creation</title> + <synopsis> + The unshar utility is vulnerable to symlink attacks, potentially allowing a + local user to overwrite arbitrary files. + </synopsis> + <product type="ebuild">sharutils</product> + <announced>April 06, 2005</announced> + <revised>April 06, 2005: 01</revised> + <bug>87939</bug> + <access>local</access> + <affected> + <package name="app-arch/sharutils" auto="yes" arch="*"> + <unaffected range="ge">4.2.1-r11</unaffected> + <vulnerable range="lt">4.2.1-r11</vulnerable> + </package> + </affected> + <background> + <p> + sharutils is a collection of tools to deal with shar archives. + </p> + </background> + <description> + <p> + Joey Hess has discovered that the program unshar, which is a part + of sharutils, creates temporary files in a world-writable directory + with predictable names. + </p> + </description> + <impact type="normal"> + <p> + A local attacker could create symbolic links in the temporary + files directory, pointing to a valid file somewhere on the filesystem. + When unshar is executed, this would result in the file being + overwritten with the rights of the user running the utility, which + could be the root user. + </p> + </impact> + <workaround> + <p> + There is no known workaround at this time. + </p> + </workaround> + <resolution> + <p> + All sharutils users should upgrade to the latest version: + </p> + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=app-arch/sharutils-4.2.1-r11"</code> + </resolution> + <references> + <uri link="http://www.ubuntulinux.org/support/documentation/usn/usn-104-1">Ubuntu Advisory</uri> + </references> + <metadata tag="requester" timestamp="Tue, 5 Apr 2005 07:42:03 +0000"> + koon + </metadata> + <metadata tag="submitter" timestamp="Tue, 5 Apr 2005 13:07:06 +0000"> + lewk + </metadata> + <metadata tag="bugReady" timestamp="Wed, 6 Apr 2005 20:15:09 +0000"> + lewk + </metadata> +</glsa> |