CVE-2018-1002208
Improper Limitation of a Pathname to a Restricted Directory in SharpZipLib
SharpZipLib before 1.0 RC1 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
SharpZipLib before 1.0 RC1 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.
- Record
CVE-2018-1002208- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
CVE List No score
SharpZipLib before 1.0 RC1 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.
- Record
CVE-2018-1002208- Weakness
- CWE-22
- Updated
- 2026-11-02
EUVDEUVD-2022-3612 No score
SharpZipLib before 1.0 RC1 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.
- Record
EUVD-2022-3612- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cqj4-m2pc-v9m5
Improper Limitation of a Pathname to a Restricted Directory in SharpZipLib
SharpZipLib before 1.0 RC1 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.
- Record
GHSA-cqj4-m2pc-v9m5- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
OSV
SharpZipLib before 1.0 RC1 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.
- Record
CVE-2018-1002208- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2018-1002208
SharpZipLib before 1.0 RC1 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.
- Record
DEBIAN-CVE-2018-1002208- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
OSVGHSA-cqj4-m2pc-v9m5
Improper Limitation of a Pathname to a Restricted Directory in SharpZipLib
SharpZipLib before 1.0 RC1 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.
- Record
GHSA-cqj4-m2pc-v9m5- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2018-1002208
SharpZipLib before 1.0 RC1 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.
- Record
UBUNTU-CVE-2018-1002208- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
SharpZipLibNuGet |
through 1.0.0-alpha2 | 1.0.0-rc1 |
monoDebian:12 |
before 5.18.0.240+dfsg-1 | 5.18.0.240+dfsg-1 |
monoDebian:13 |
before 5.18.0.240+dfsg-1 | 5.18.0.240+dfsg-1 |
monoDebian:14 |
before 5.18.0.240+dfsg-1 | 5.18.0.240+dfsg-1 |
SharpZipLibNuGet |
before 1.0.0-rc1, plus listed versions 0.86.01.0.0-alpha11.0.0-alpha2 |
1.0.0-rc1 |
monoUbuntu:14.04:LTS |
All versions, plus listed versions 2.10.8.1-5ubuntu23.2.3+dfsg-53.2.3+dfsg-7ubuntu13.2.8+dfsg-4ubuntu13.2.8+dfsg-4ubuntu1.1 |
None known |
monoUbuntu:16.04:LTS |
All versions, plus listed versions 3.2.8+dfsg-4ubuntu44.2.1.102+dfsg2-5ubuntu14.2.1.102+dfsg2-7ubuntu4 |
None known |
mono-reference-assembliesUbuntu:16.04:LTS |
All versions, plus listed versions 3.12.1+dfsg-1 |
None known |
monoUbuntu:18.04:LTS |
All versions, plus listed versions 4.6.2.7+dfsg-1ubuntu1 |
None known |
mono-reference-assembliesUbuntu:18.04:LTS |
All versions, plus listed versions 3.12.1+dfsg-2 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-1002208 is a medium vulnerability (CVSS 5.5) in Icsharpcode Sharpziplib, published July 25, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 9.88%, the 95th percentile. Fixed in SharpZipLib 1.0.0-rc1.