uudecode, as available in the sharutils package before 4.2.1, does not check whether the…
Priority LOW 33Published · 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
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
uudecode, as available in the sharutils package before 4.2.1, does not check whether the filename of the uudecoded file is a pipe or symbolic link, which could allow attackers to overwrite files or execute commands.
Why it matters now
EPSS 0.00622 50th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
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
Remediation
Red Hat 1 advisory
- RHSA-2003:180 Released 2003-05-23 · Red Hat rating Lowsharutils security update
- Red Hat Enterprise Linux AS (Advanced Server) version 2.1
Vendor assessments
Red Hat
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | Fixed | RHSA-2003:180 |
| Red Hat Linux 6.2 | Fixed | RHSA-2002:065 |
| Red Hat Linux 7.0 | Fixed | RHSA-2002:065 |
| Red Hat Linux 7.1 | Fixed | RHSA-2002:065 |
| Red Hat Linux 7.2 | Fixed | RHSA-2002:065 |
Timeline
- 2026-10-02 Threatist record created from CVE-2002-0178
- 2026-10-03 Alias added: GHSA-wwhg-qw2q-mpr3
- 2026-11-05 EPSS moved to the 50th–90th percentile
References
More GNU Sharutils vulnerabilities
- TI-2018-15752 Sharutils sharutils (unshar command) version 4.15.2 contains a Buffer Overflow… CVSS 3.0HIGH 7.8
- TI-2004-01649 Multiple buffer overflows in sharutils 4.2.1 and earlier may allow attackers to execute… CVSS 2.0HIGH 7.5
- TI-2004-01648 Stack-based buffer overflow in shar in GNU sharutils 4.2.1 allows local users to execute… CVSS 2.0MEDIUM 4.6
- TI-2005-00930 unshar (unshar.c) in sharutils 4.2.1 allows local users to overwrite arbitrary files via… CVSS 2.0LOW 2.1
Sources
- CVE-2002-0178 · CVE Program
- CVE-2002-0178 · NVD
- FIRST EPSS
- GHSA-wwhg-qw2q-mpr3 · GitHub Advisory Database · CC BY 4.0
- CVE-2002-0178 · Red Hat security data · CC BY 4.0
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