ldd in the GNU C Library (aka glibc or libc6) 2.13 and earlier allows local users to gain…
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-264.
Summary
ldd in the GNU C Library (aka glibc or libc6) 2.13 and earlier allows local users to gain privileges via a Trojan horse executable file linked with a modified loader that omits certain LD_TRACE_LOADED_OBJECTS checks. NOTE: the GNU C Library vendor states "This is just nonsense. There are a gazillion other ways to introduce code if people are downloading arbitrary binaries and install them in appropriate directories or set LD_LIBRARY_PATH etc.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 23
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* | up to 2.1.3 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:1.00:*:*:*:*:*:*:* | 1.00 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:1.01:*:*:*:*:*:*:* | 1.01 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:1.02:*:*:*:*:*:*:* | 1.02 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:1.03:*:*:*:*:*:*:* | 1.03 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:1.04:*:*:*:*:*:*:* | 1.04 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:1.05:*:*:*:*:*:*:* | 1.05 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:1.06:*:*:*:*:*:*:* | 1.06 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:1.07:*:*:*:*:*:*:* | 1.07 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:1.08:*:*:*:*:*:*:* | 1.08 | Vulnerable | GNU |
- cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* Versions up to 2.1.3 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:1.00:*:*:*:*:*:*:* Versions 1.00 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:1.01:*:*:*:*:*:*:* Versions 1.01 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:1.02:*:*:*:*:*:*:* Versions 1.02 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:1.03:*:*:*:*:*:*:* Versions 1.03 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:1.04:*:*:*:*:*:*:* Versions 1.04 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:1.05:*:*:*:*:*:*:* Versions 1.05 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:1.06:*:*:*:*:*:*:* Versions 1.06 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:1.07:*:*:*:*:*:*:* Versions 1.07 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:1.08:*:*:*:*:*:*:* Versions 1.08 Vulnerable ·GNU
Show 13 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gnu:glibc:1.09:*:*:*:*:*:*:* | 1.09 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:1.09.1:*:*:*:*:*:*:* | 1.09.1 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.0:*:*:*:*:*:*:* | 2.0 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.0.1:*:*:*:*:*:*:* | 2.0.1 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.0.2:*:*:*:*:*:*:* | 2.0.2 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.0.3:*:*:*:*:*:*:* | 2.0.3 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.0.4:*:*:*:*:*:*:* | 2.0.4 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.0.5:*:*:*:*:*:*:* | 2.0.5 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.0.6:*:*:*:*:*:*:* | 2.0.6 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.1:*:*:*:*:*:*:* | 2.1 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.1.1:*:*:*:*:*:*:* | 2.1.1 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.1.1.6:*:*:*:*:*:*:* | 2.1.1.6 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.1.2:*:*:*:*:*:*:* | 2.1.2 | Vulnerable | GNU |
- cpe:2.3:a:gnu:glibc:1.09:*:*:*:*:*:*:* Versions 1.09 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:1.09.1:*:*:*:*:*:*:* Versions 1.09.1 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.0.1:*:*:*:*:*:*:* Versions 2.0.1 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.0.2:*:*:*:*:*:*:* Versions 2.0.2 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.0.3:*:*:*:*:*:*:* Versions 2.0.3 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.0.4:*:*:*:*:*:*:* Versions 2.0.4 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.0.5:*:*:*:*:*:*:* Versions 2.0.5 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.0.6:*:*:*:*:*:*:* Versions 2.0.6 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.1:*:*:*:*:*:*:* Versions 2.1 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.1.1:*:*:*:*:*:*:* Versions 2.1.1 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.1.1.6:*:*:*:*:*:*:* Versions 2.1.1.6 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.1.2:*:*:*:*:*:*:* Versions 2.1.2 Vulnerable ·GNU
Remediation
Red Hat 3 advisories
- RHSA-2012:0126 Released 2012-02-13 · Red Hat rating Moderateglibc security update
- Red Hat Enterprise Linux (v. 5 server) glibc-2.5-65.el5_7.3, glibc-2.5-65.el5_7.3.i386, glibc-2.5-65.el5_7.3.ia64 +21
- Red Hat Enterprise Linux Desktop (v. 5 client) glibc-2.5-65.el5_7.3, glibc-2.5-65.el5_7.3.i386, glibc-common-2.5-65.el5_7.3 +9
- RHSA-2012:0125 Released 2012-02-13 · Red Hat rating Moderateglibc security and bug fix update
- Red Hat Enterprise Linux AS version 4 glibc-2.3.4-2.57, glibc-2.3.4-2.57.i386, glibc-2.3.4-2.57.ia64 +29
- Red Hat Enterprise Linux Desktop version 4 glibc-2.3.4-2.57, glibc-2.3.4-2.57.i386, glibc-common-2.3.4-2.57 +13
- Red Hat Enterprise Linux ES version 4 glibc-2.3.4-2.57, glibc-2.3.4-2.57.i386, glibc-2.3.4-2.57.ia64 +21
- Red Hat Enterprise Linux WS version 4 glibc-2.3.4-2.57, glibc-2.3.4-2.57.i386, glibc-2.3.4-2.57.ia64 +21
- RHSA-2011:1526 Released 2011-12-05 · Red Hat rating Lowglibc security, bug fix, and enhancement update
- Red Hat Enterprise Linux Desktop (v. 6) glibc-2.12-1.47.el6, glibc-common-2.12-1.47.el6, glibc-devel-2.12-1.47.el6 +3
- Red Hat Enterprise Linux Desktop Optional (v. 6) glibc-2.12-1.47.el6, glibc-static-2.12-1.47.el6
- Red Hat Enterprise Linux HPC Node (v. 6) glibc-2.12-1.47.el6, glibc-common-2.12-1.47.el6, glibc-devel-2.12-1.47.el6 +3
- Red Hat Enterprise Linux HPC Node Optional (v. 6) glibc-2.12-1.47.el6, glibc-static-2.12-1.47.el6
- Red Hat Enterprise Linux Server (v. 6) glibc-2.12-1.47.el6, glibc-2.12-1.47.el6.ppc, glibc-common-2.12-1.47.el6 +5
- Red Hat Enterprise Linux Server Optional (v. 6) glibc-2.12-1.47.el6, glibc-static-2.12-1.47.el6, glibc-static-2.12-1.47.el6.ppc
- Red Hat Enterprise Linux Workstation (v. 6) glibc-2.12-1.47.el6, glibc-common-2.12-1.47.el6, glibc-devel-2.12-1.47.el6 +3
- Red Hat Enterprise Linux Workstation Optional (v. 6) glibc-2.12-1.47.el6, glibc-static-2.12-1.47.el6
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2012:0126 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2012:0125 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2012:0126 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2011:1526 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2011:1526 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2012:0125 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2012:0125 |
| Red Hat Enterprise Linux HPC Node (v. 6) | Fixed | RHSA-2011:1526 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2011:1526 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2011:1526 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2011:1526 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2012:0125 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2011:1526 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2011:1526 |
Timeline
- 2026-10-02 Threatist record created from CVE-2009-5064
- 2026-10-03 Alias added: GHSA-jx79-x2m5-439p
References
Exploit 12
- [oss-security] 20110307 Re: CVE Request -- logrotate -- nine issues
- [oss-security] 20110308 Re: ldd can execute an app unexpectedly
- https://bugzilla.redhat.com/show_bug.cgi?id=682998
- [oss-security] 20110308 Re: ldd can execute an app unexpectedly
- [oss-security] 20110308 Re: ldd can execute an app unexpectedly
- http://reverse.lostrealm.com/protect/ldd.html
- [oss-security] 20110307 Re: CVE Request -- logrotate -- nine issues
- http://www.catonmat.net/blog/ldd-arbitrary-code-execution/
- [oss-security] 20110307 Re: ldd can execute an app unexpectedly
- [oss-security] 20110307 ldd can execute an app unexpectedly
- [oss-security] 20110308 Re: ldd can execute an app unexpectedly
- https://bugzilla.redhat.com/show_bug.cgi?id=531160
Advisory 1
More GNU Glibc vulnerabilities
- TI-2023-04522 Glibc: buffer overflow in ld.so leading to privilege escalation KEVCVSS 3.1HIGH 7.8
- TI-2015-00205 Heap-based buffer overflow in the __nss_hostname_digits_dots function in glibc 2.2, and… CVSS 2.0HIGH 10.0
- TI-2026-04772 scanf %mc off-by-one heap buffer overflow CVSS 3.1CRITICAL 9.8
- TI-2022-07360 The deprecated compatibility function clnt_create in the sunrpc module of the GNU C… CVSS 3.1CRITICAL 9.8
- TI-2022-07359 The deprecated compatibility function svcunix_create in the sunrpc module of the GNU C… CVSS 3.1CRITICAL 9.8
- TI-2015-06274 Multiple stack-based buffer overflows in the (1) send_dg and (2) send_vc functions in the… CVSS 3.0HIGH 8.1
Sources
- CVE-2009-5064 · CVE Program
- CVE-2009-5064 · NVD
- FIRST EPSS
- GHSA-jx79-x2m5-439p · GitHub Advisory Database · CC BY 4.0
- CVE-2009-5064 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences