lsh daemon (lshd) does not properly return from certain functions in (1) read_line.c, (2) channel_commands.c, or (3) client_keyexchange.c when long input is provided, which could allow remote attackers to execute arbitrary code via a heap-based buffer overflow attack
Published Sep 23, 2003
7.5
HIGHCVSS 2.0
EPSS 12.11%
Description
lsh daemon (lshd) does not properly return from certain functions in (1) read_line.c, (2) channel_commands.c, or (3) client_keyexchange.c when long input is provided, which could allow remote attackers to execute arbitrary code via a heap-based buffer overflow attack.
Affected products
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:N/AC:L/Au:N/C:P/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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 12.11% (0.12108) | 96.03th | v5 (v2026.06.15) |
| Jun 15, 2026 | 11.82% (0.11818) | 95.54th | v5 (v2026.06.15) |
| Mar 30, 2025 | 27.29% (0.27289) | 95.98th | v4 (v2025.03.14) |
| Mar 29, 2025 | 28.85% (0.28850) | 94.54th | v4 (v2025.03.14) |
| Mar 19, 2025 | 27.29% (0.27289) | 95.78th | v4 (v2025.03.14) |
| Mar 17, 2025 | 19.36% (0.19361) | 94.90th | v4 (v2025.03.14) |
| Dec 12, 2024 | 6.33% (0.06325) | 93.90th | v3 (v2023.03.01) |
| Oct 8, 2023 | 6.33% (0.06325) | 92.79th | v3 (v2023.03.01) |
| Mar 7, 2023 | 6.19% (0.06187) | 92.39th | v3 (v2023.03.01) |
| Mar 6, 2023 | 15.61% (0.15607) | 96.08th | v2 (v2022.01.01) |
| Apr 1, 2022 | 15.61% (0.15607) | 95.72th | v2 (v2022.01.01) |
| Feb 4, 2022 | 15.61% (0.15607) | 92.63th | v2 (v2022.01.01) |
No CWE recorded.
References (6)
- http://bugs.debian.org/211662 x_refsource_CONFIRM
- http://lists.grok.org.uk/pipermail/full-disclosure/2003-September/010496.html mailing-listx_refsource_FULLDISC
- http://lists.lysator.liu.se/pipermail/lsh-bugs/2003q3/000120.html x_refsource_CONFIRM
- http://marc.info/?l=bugtraq&m=106398939512178&w=2 mailing-listx_refsource_BUGTRAQ
- http://marc.info/?l=bugtraq&m=106407188509874&w=2 mailing-listx_refsource_BUGTRAQ
- http://www.debian.org/security/2005/dsa-717 vendor-advisoryx_refsource_DEBIAN
| Link | Providers | Tags |
|---|---|---|
| http://bugs.debian.org/211662 | x_refsource_CONFIRM | |
| http://lists.grok.org.uk/pipermail/full-disclosure/2003-September/010496.html | mailing-listx_refsource_FULLDISC | |
| http://lists.lysator.liu.se/pipermail/lsh-bugs/2003q3/000120.html | x_refsource_CONFIRM | |
| http://marc.info/?l=bugtraq&m=106398939512178&w=2 | mailing-listx_refsource_BUGTRAQ | |
| http://marc.info/?l=bugtraq&m=106407188509874&w=2 | mailing-listx_refsource_BUGTRAQ | |
| http://www.debian.org/security/2005/dsa-717 | vendor-advisoryx_refsource_DEBIAN |
Change history (0)
No recorded changes yet.