CVE-2003-0466: apple mac_os_x Off-by-one Error
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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.
Timeline
- 01-08-2003PublishedVulnerability first disclosed.
- 08-08-2024Last 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 versionsEPSS 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
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
7 foundExploit Reference (securityfocus.com)
Maturity: unknown
Exploit Reference (archives.neohapsis.com)
Maturity: unknown
FreeBSD 4.8 - 'realpath()' Off-by-One Buffer Overflow
Maturity: weaponized
Show all 7 exploits
WU-FTPD 2.6.2 - Off-by-One Remote Command Execution
Maturity: weaponized
WU-FTPD 2.6.2 - Remote Command Execution
Maturity: weaponized
WU-FTPD 2.6.0/2.6.1/2.6.2 - 'realpath()' Off-by-One Buffer Overflow
Maturity: weaponized
WU-FTPD 2.6.2 - 'realpath()' Off-by-One Buffer Overflow
Maturity: weaponized
Weaknesses
CWE · root causeAffected systems
Apple2 products
- mac_os_x10.2.6
- mac_os_x_server10.2.6
Debian1 product
- wu-ftpd< 2.6.2-3woody1
Freebsd1 product
- freebsd≥ 4.0, ≤ 5.0
Netbsd1 product
- netbsd≥ 1.5, ≤ 1.6.1
Openbsd1 product
- openbsd≥ 2.0, ≤ 3.3
Redhat1 product
- wu_ftpd2.6.1-16
Sun1 product
- solaris9.0
Wuftpd1 product
- wu-ftpd≥ 2.5.0, ≤ 2.6.2
8 vendors · 9 products
References
26 links- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1970VDB EntrySignatureX Refsource OVALBroken Link
- www.securityfocus.com/archive/1/424852/100/0/threadedMailing ListX Refsource BUGTRAQBroken LinkThird Party AdvisoryVDB Entry
- www.securityfocus.com/bid/8315VDB EntryX Refsource BIDBroken LinkExploitPatchThird Party AdvisoryVendor Advisory
- archives.neohapsis.com/archives/vulnwatch/2003-q3/0065.htmlMailing ListX Refsource VULNWATCHBroken LinkExploitVendor Advisory
Show all 26 references
- download.immunix.org/ImmunixOS/7+/Updates/errata/IMNX-2003-7+-019-01Vendor AdvisoryX Refsource IMMUNIXBroken Link
- www.securityfocus.com/archive/1/425061/100/0/threadedMailing ListX Refsource BUGTRAQBroken LinkThird Party AdvisoryVDB Entry
- www.novell.com/linux/security/advisories/2003_032_wuftpd.htmlVendor AdvisoryX Refsource SUSEBroken Link
- sunsolve.sun.com/search/document.do?assetkey=1-77-1001257.1-1Vendor AdvisoryX Refsource SUNALERTBroken Link
- www.mandriva.com/security/advisories?name=MDKSA-2003:080Vendor AdvisoryX Refsource MANDRAKEThird Party Advisory