10

CVE-2003-0466: apple mac_os_x Off-by-one Error

CVSS: 10.0v2.0HighModified
AliasesDSA-357
Published 01-08-2003Last modified 08-08-2024
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Vulnerability summary

CVE-2003-0466 is a high (CVSS 10.0) Off-by-one Error vulnerability in apple mac_os_x. EPSS estimates a 78.11% chance of exploitation in the next 30 days, higher than 99.5% of scored vulnerabilities. 7 public exploits are recorded.

Overall risk
90/100
0100
Critical · default modelHow is this calculated?
CVSS score
10.0/10
010
High · v2.0 (NVD)
EPSS score
78.11%
0%100%
Critical · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits7reference, exploit-database

Timeline

  1. 01-08-2003
    PublishedVulnerability first disclosed.
  2. 08-08-2024
    Last modifiedVulnerability information updated.

Description

Off-by-one error in the fb_realpath() function, as derived from the realpath function in BSD, may allow attackers to execute arbitrary code, as demonstrated in wu-ftpd 2.5.0 through 2.6.2 via commands that cause pathnames of length MAXPATHLEN+1 to trigger a buffer overflow, including (1) STOR, (2) RETR, (3) APPE, (4) DELE, (5) MKD, (6) RMD, (7) STOU, or (8) RNTO.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

78.11%

Chance of exploitation in the next 30 days

Percentile

100%

Versus all other CVEs

30-day change

0.00 pp

From 78.11% on 18-09-2026

18-09-202618-10-2026
EPSS score
78.11%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

7 found
  • referenceUnverified

    Exploit Reference (securityfocus.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (archives.neohapsis.com)

    Maturity: unknown

  • exploit-databaseremotefreebsdVerified

    FreeBSD 4.8 - 'realpath()' Off-by-One Buffer Overflow

    Maturity: weaponized

Show all 7 exploits
  • exploit-databaseremotelinuxVerified

    WU-FTPD 2.6.2 - Off-by-One Remote Command Execution

    Maturity: weaponized

  • exploit-databaseremotelinuxVerified

    WU-FTPD 2.6.2 - Remote Command Execution

    Maturity: weaponized

  • exploit-databaseremoteunixVerified

    WU-FTPD 2.6.0/2.6.1/2.6.2 - 'realpath()' Off-by-One Buffer Overflow

    Maturity: weaponized

  • exploit-databaseremoteunixVerified

    WU-FTPD 2.6.2 - 'realpath()' Off-by-One Buffer Overflow

    Maturity: weaponized

Weaknesses

CWE · root cause

Affected systems

Apple2 products
Debian1 product
  • wu-ftpd< 2.6.2-3woody1
Freebsd1 product
Netbsd1 product
Openbsd1 product
Redhat1 product
Sun1 product
Wuftpd1 product

8 vendors · 9 products

References

26 links
Show all 26 references