7.5

CVE-2003-0826: gnu lsh

CVSS: 7.5v2.0HighModified
AliasesDEBIAN-CVE-2003-0826
Published 23-09-2003Last modified 08-08-2024
Open JSON

Vulnerability summary

CVE-2003-0826 is a high (CVSS 7.5) vulnerability in gnu lsh. EPSS estimates a 12.11% chance of exploitation in the next 30 days, higher than 96.1% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
42/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v2.0 (NVD)
EPSS score
12.11%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2exploit-database

Advisory lineage

Upstream 0 · Downstream 1
DSA-717-1

Timeline

  1. 23-09-2003
    PublishedVulnerability first disclosed.
  2. 08-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

12.11%

Chance of exploitation in the next 30 days

Percentile

96%

Versus all other CVEs

30-day change

0.00 pp

From 12.11% on 20-09-2026

20-09-202620-10-2026
EPSS score
12.11%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • exploit-databaseremotelinuxVerified

    LSH 1.x - Remote Buffer Overflow (1)

    Maturity: weaponized

  • exploit-databaseremotelinuxVerified

    LSH 1.x - Remote Buffer Overflow (2)

    Maturity: weaponized

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Debian1 product
  • lsh-utils< 1.4.2-6
Gnu1 product
  • lsh1.4 | 1.4.1 | 1.4.2

2 vendors · 2 products

References

7 links