suidperl (aka sperl) does not properly cleanse the escape sequence "~!" before calling…
Priority LOW 34Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
suidperl (aka sperl) does not properly cleanse the escape sequence "~!" before calling /bin/mail to send an error report, which allows local users to gain privileges by setting the "interactive" environmental variable and calling suidperl with a filename that contains the escape sequence.
Why it matters now
EPSS 0.0107 65th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:larry_wall:perl:5.4.5:*:*:*:*:*:*:* | 5.4.5 | Vulnerable | Larry Wall |
| cpe:2.3:a:larry_wall:perl:5.5:*:*:*:*:*:*:* | 5.5 | Vulnerable | Larry Wall |
| cpe:2.3:a:larry_wall:perl:5.5.3:*:*:*:*:*:*:* | 5.5.3 | Vulnerable | Larry Wall |
| cpe:2.3:a:larry_wall:perl:5.6:*:*:*:*:*:*:* | 5.6 | Vulnerable | Larry Wall |
- cpe:2.3:a:larry_wall:perl:5.4.5:*:*:*:*:*:*:* Versions 5.4.5 Vulnerable ·Larry Wall
- cpe:2.3:a:larry_wall:perl:5.5:*:*:*:*:*:*:* Versions 5.5 Vulnerable ·Larry Wall
- cpe:2.3:a:larry_wall:perl:5.5.3:*:*:*:*:*:*:* Versions 5.5.3 Vulnerable ·Larry Wall
- cpe:2.3:a:larry_wall:perl:5.6:*:*:*:*:*:*:* Versions 5.6 Vulnerable ·Larry Wall
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2000-0703
- 2026-10-03 Alias added: GHSA-fwmf-9cw3-w3x3
References
Patch 1
More Larry Wall Perl vulnerabilities
- TI-2004-00345 Buffer overflow in the win32_stat function for (1) ActiveState's ActivePerl and (2) Larry… CVSS 2.0HIGH 10.0
- TI-2004-02157 Integer overflow in the duplication operator in ActivePerl allows remote attackers to… CVSS 2.0HIGH 7.5
- TI-2007-04928 Buffer overflow in the polymorphic opcode support in the Regular Expression Engine… CVSS 2.0HIGH 7.5
- TI-1999-00033 Buffer overflow in suidperl (sperl), Perl 4.x and 5.x. CVSS 2.0HIGH 7.2
- TI-2005-04022 Untrusted search path vulnerability in Perl before 5.8.7-r1 on Gentoo Linux allows local… CVSS 2.0HIGH 7.2
- TI-2003-00822 Perl 5.8.1 on Fedora Core does not properly initialize the random number generator when… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2000-0703 · CVE Program
- CVE-2000-0703 · NVD
- FIRST EPSS
- GHSA-fwmf-9cw3-w3x3 · GitHub Advisory Database · CC BY 4.0
- CVE-2000-0703 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences