The runtime linker in QNX Neutrino RTOS 6.5.0 before Service Pack 1 does not properly clear the LD_DEBUG_OUTPUT and LD_DEBUG environment variables when a program is spawned from a setuid program, which allows local users to overwrite files via a symlink attack
Published Oct 18, 2011
3.3
LOWCVSS 2.0
EPSS 0.30%
Description
The runtime linker in QNX Neutrino RTOS 6.5.0 before Service Pack 1 does not properly clear the LD_DEBUG_OUTPUT and LD_DEBUG environment variables when a program is spawned from a setuid program, which allows local users to overwrite files via a symlink attack.
Affected products
No data.
- 6.5.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:M/Au:N/C:N/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.30% (0.00302) | 20.72th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.30% (0.00302) | 21.59th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.05% (0.00047) | 11.83th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.10% (0.01104) | 54.09th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.10% (0.01104) | 52.45th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.10% (0.01104) | 50.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.10% (0.01104) | 28.85th | v2 (v2022.01.01) |
References (8)
- http://securityreason.com/securityalert/8475 third-party-advisoryx_refsource_SREASON
- http://www.nth-dimension.org.uk/pub/NDSA20110310.txt.asc x_refsource_MISC
- http://www.osvdb.org/71784 vdb-entryx_refsource_OSVDB
- http://www.qnx.com/developers/articles/rel_5189_46.html x_refsource_CONFIRM
- http://www.qnx.com/developers/docs/6.5.0_sp1/index.jsp?topic=%2Fcom.qnx.doc.momentics_release_notes%2Frel_6.5.0_SP1.html x_refsource_CONFIRM
- http://www.securityfocus.com/archive/1/516958 mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/518659 mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/46838 vdb-entryx_refsource_BID
| Link | Providers | Tags |
|---|---|---|
| http://securityreason.com/securityalert/8475 | third-party-advisoryx_refsource_SREASON | |
| http://www.nth-dimension.org.uk/pub/NDSA20110310.txt.asc | x_refsource_MISC | |
| http://www.osvdb.org/71784 | vdb-entryx_refsource_OSVDB | |
| http://www.qnx.com/developers/articles/rel_5189_46.html | x_refsource_CONFIRM | |
| http://www.qnx.com/developers/docs/6.5.0_sp1/index.jsp?topic=%2Fcom.qnx.doc.momentics_release_notes%2Frel_6.5.0_SP1.html | x_refsource_CONFIRM | |
| http://www.securityfocus.com/archive/1/516958 | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/archive/1/518659 | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/46838 | vdb-entryx_refsource_BID |
Change history (0)
No recorded changes yet.