CVE-2010-3847
What it is
elf/dl-load.c in ld.so in the GNU C Library (aka glibc or libc6) through 2.11.2, and 2.12.x through 2.12.1, does not properly handle a value of $ORIGIN for the LD_AUDIT environment variable, which allows local users to gain privileges via a crafted dynamic shared object (DSO) located in an arbitrary directory.
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 10.3% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 10.3% in the next 30 days (EPSS).
- Severity: 6.9 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 10.3% · EPSS, next 30 days
- Weakness
- CWE-59
- Record status
- Modified
Affected
- Gnu Glibc ≤ 2.11.2
- Gnu Glibc 1.00
- Gnu Glibc 1.01
- Gnu Glibc 1.02
- Gnu Glibc 1.03
- Gnu Glibc 1.04
- Gnu Glibc 1.05
- Gnu Glibc 1.06
Attack profile CVSS 2.0 · 6.9
- Attack vector
- Local
- Complexity
- Medium
- Authentication
- None
- Confidentiality
- Complete
- Integrity
- Complete
- Availability
- Complete
Raw vector
AV:L/AC:M/Au:N/C:C/I:C/A:C
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2010-3847.md and follow it. Check whether this project is affected by CVE-2010-3847. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://secunia.com/advisories/42787
- http://sourceware.org/ml/libc-hacker/2010-10/msg00007.html
- http://www.vupen.com/english/advisories/2011/0025
- https://bugzilla.redhat.com/show_bug.cgi?id=643306
- http://secunia.com/advisories/42787
- http://sourceware.org/ml/libc-hacker/2010-10/msg00007.html
- http://www.vupen.com/english/advisories/2011/0025
- https://bugzilla.redhat.com/show_bug.cgi?id=643306
References
- http://seclists.org/fulldisclosure/2010/Oct/257
- http://seclists.org/fulldisclosure/2010/Oct/292
- http://seclists.org/fulldisclosure/2010/Oct/294
- http://secunia.com/advisories/42787
- http://security.gentoo.org/glsa/glsa-201011-01.xml
- http://sourceware.org/ml/libc-hacker/2010-10/msg00007.html
- http://support.avaya.com/css/P8/documents/100120941
- http://www.debian.org/security/2010/dsa-2122
- http://www.kb.cert.org/vuls/id/537223
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:207
- http://www.redhat.com/support/errata/RHSA-2010-0872.html
- http://www.securityfocus.com/archive/1/515545/100/0/threaded
- http://www.securityfocus.com/bid/44154
- http://www.ubuntu.com/usn/USN-1009-1
- http://www.vmware.com/security/advisories/VMSA-2011-0001.html
- http://www.vupen.com/english/advisories/2011/0025
- https://bugzilla.redhat.com/show_bug.cgi?id=643306
- https://lists.opensuse.org/opensuse-security-announce/2010-10/msg00007.html
- https://rhn.redhat.com/errata/RHSA-2010-0787.html
- https://www.exploit-db.com/exploits/44024/
- https://www.exploit-db.com/exploits/44025/
- http://seclists.org/fulldisclosure/2010/Oct/257
- http://seclists.org/fulldisclosure/2010/Oct/292
- http://seclists.org/fulldisclosure/2010/Oct/294
- http://secunia.com/advisories/42787