Bug 856341 (CVE-2012-4417)
| Summary: | CVE-2012-4417 GlusterFS: insecure temporary file creation | ||
|---|---|---|---|
| Product: | [Other] Security Response | Reporter: | Kurt Seifried <kseifried> |
| Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
| Status: | CLOSED ERRATA | QA Contact: | |
| Severity: | low | Docs Contact: | |
| Priority: | low | ||
| Version: | unspecified | CC: | aavati, amarts, gluster-bugs, jlieskov, johnmark, jrusnack, kaushal, kkeithle, meyering, osoukup, rhs-bugs, security-response-team, vbellur, vinaraya |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2012-12-12 06:36:50 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 856345, 856429, 856677, 875888, 875889 | ||
| Bug Blocks: | 856353 | ||
Created glusterfs tracking bugs for this issue Affects: fedora-all [bug 875888] Affects: epel-all [bug 875889] This issue has been addressed in following products: Red Hat Storage 2.0 Native Client for RHEL 6 for Red Hat Storage Native Client for RHEL 5 for Red Hat Storage Via RHSA-2012:1456 https://rhn.redhat.com/errata/RHSA-2012-1456.html Any word on an upstream fix? commit 3d10587d9d6400c9141b1f278bb5e2027fa784b8 (http://review.gluster.org/4042) and commit 56d1f81949fde78615cd9fec048259d261f99c40 (http://review.gluster.org/4091) are done upstream to handle it. (In reply to comment #17) > commit 3d10587d9d6400c9141b1f278bb5e2027fa784b8 > (http://review.gluster.org/4042) > and > commit 56d1f81949fde78615cd9fec048259d261f99c40 > (http://review.gluster.org/4091) > > are done upstream to handle it. Thanks, Amar. This was partially addressed in http://rhn.redhat.com/errata/RHSA-2012-1456.html Please see bug #886364 for additional information (In reply to comment #17) > commit 3d10587d9d6400c9141b1f278bb5e2027fa784b8 > (http://review.gluster.org/4042) > and > commit 56d1f81949fde78615cd9fec048259d261f99c40 > (http://review.gluster.org/4091) > > are done upstream to handle it. Amar - any chance of applying a patch to 3.2.x? This comes via this request: https://security-tracker.debian.org/tracker/CVE-2012-4417 |
Jim Meyering (meyering) of Red Hat reports: glusterfs writes to predictably-named files in /tmp using the PID and other non random or easily guessed information to create file names. libglusterfs/src/statedump.c gf_proc_dump_open (char *dump_dir, char *brickname) { char path[PATH_MAX] = {0,}; int dump_fd = -1; snprintf (path, sizeof (path), "%s/%s.%d.dump", (dump_dir ? dump_dir : "/tmp"), brickname, getpid()); ... gf_proc_dump_options_init () { int ret = -1; FILE *fp = NULL; char buf[256]; char dumpbuf[GF_DUMP_MAX_BUF_LEN]; char *key = NULL, *value = NULL; char *saveptr = NULL; char dump_option_file[PATH_MAX]; snprintf (dump_option_file, sizeof (dump_option_file), "/tmp/glusterdump.%d.options", getpid ());