Multiple buffer overflows in sharutils 4.2.1 and earlier may allow attackers to execute…
Priority LOW 38Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
Multiple buffer overflows in sharutils 4.2.1 and earlier may allow attackers to execute arbitrary code via (1) long output from wc to shar, or (2) unknown vectors in unshar.
Why it matters now
EPSS 0.02992 87th 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-2005:377 Released 2005-04-26 · Red Hat rating Lowsharutils security update
- Red Hat Desktop version 3 sharutils-4.2.1-16.2, sharutils-4.2.1-16.2.i386
- Red Hat Enterprise Linux AS version 3 sharutils-4.2.1-16.2, sharutils-4.2.1-16.2.i386, sharutils-4.2.1-16.2.ia64 +1
- Red Hat Enterprise Linux AS version 4 sharutils-4.2.1-22.2, sharutils-4.2.1-22.2.i386, sharutils-4.2.1-22.2.ia64 +1
- Red Hat Enterprise Linux Desktop version 4 sharutils-4.2.1-22.2, sharutils-4.2.1-22.2.i386
- Red Hat Enterprise Linux ES version 3 sharutils-4.2.1-16.2, sharutils-4.2.1-16.2.i386, sharutils-4.2.1-16.2.ia64
- Red Hat Enterprise Linux ES version 4 sharutils-4.2.1-22.2, sharutils-4.2.1-22.2.i386, sharutils-4.2.1-22.2.ia64
- Red Hat Enterprise Linux WS version 3 sharutils-4.2.1-16.2, sharutils-4.2.1-16.2.i386, sharutils-4.2.1-16.2.ia64
- Red Hat Enterprise Linux WS version 4 sharutils-4.2.1-22.2, sharutils-4.2.1-22.2.i386, sharutils-4.2.1-22.2.ia64
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Desktop version 3 | Fixed | RHSA-2005:377 |
| Red Hat Enterprise Linux AS version 3 | Fixed | RHSA-2005:377 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2005:377 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2005:377 |
| Red Hat Enterprise Linux ES version 3 | Fixed | RHSA-2005:377 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2005:377 |
| Red Hat Enterprise Linux WS version 3 | Fixed | RHSA-2005:377 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2005:377 |
Timeline
- 2026-10-02 Threatist record created from CVE-2004-1773
- 2026-10-03 Alias added: GHSA-jh4p-qrrg-9f8h
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-2002-00172 uudecode, as available in the sharutils package before 4.2.1, does not check whether the… CVSS 2.0HIGH 7.2
- 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-2004-1773 · CVE Program
- CVE-2004-1773 · NVD
- FIRST EPSS
- GHSA-jh4p-qrrg-9f8h · GitHub Advisory Database · CC BY 4.0
- CVE-2004-1773 · Red Hat security data · CC BY 4.0
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