CVE-2017-8805
Debian ftpsync before 20171017 does not use the rsync --safe-links option, which allows remote...
Debian ftpsync before 20171017 does not use the rsync --safe-links option, which allows remote attackers to conduct directory traversal attacks via a crafted upstream mirror.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Debian ftpsync before 20171017 does not use the rsync --safe-links option, which allows remote attackers to conduct directory traversal attacks via a crafted upstream mirror.
- Record
CVE-2017-8805- CVSS 3.0
- 9.1 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - CVSS 2.0
- 6.4 Medium
AV:N/AC:L/Au:N/C:P/I:P/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
CVE List No score
Debian ftpsync before 20171017 does not use the rsync --safe-links option, which allows remote attackers to conduct directory traversal attacks via a crafted upstream mirror.
- Record
CVE-2017-8805- Updated
- 2026-11-02
EUVDEUVD-2017-17748 No score
Debian ftpsync before 20171017 does not use the rsync --safe-links option, which allows remote attackers to conduct directory traversal attacks via a crafted upstream mirror.
- Record
EUVD-2017-17748- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f9qc-p869-hxxw
Debian ftpsync before 20171017 does not use the rsync --safe-links option, which allows remote...
Debian ftpsync before 20171017 does not use the rsync --safe-links option, which allows remote attackers to conduct directory traversal attacks via a crafted upstream mirror.
- Record
GHSA-f9qc-p869-hxxw- CVSS 3.0
- 9.1 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
OSV
Debian ftpsync before 20171017 does not use the rsync --safe-links option, which allows remote attackers to conduct directory traversal attacks via a crafted upstream mirror.
- Record
CVE-2017-8805- CVSS 3.0
- 9.1 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2017-8805
Debian ftpsync before 20171017 does not use the rsync --safe-links option, which allows remote attackers to conduct directory traversal attacks via a crafted upstream mirror.
- Record
DEBIAN-CVE-2017-8805- CVSS 3.0
- 9.1 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-2017-8805
Debian ftpsync before 20171017 does not use the rsync --safe-links option, which allows remote attackers to conduct directory traversal attacks via a crafted upstream mirror.
- Record
UBUNTU-CVE-2017-8805- CVSS 3.0
- 9.1 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-8805 is a critical vulnerability (CVSS 9.1) in Debian Ftpsync, published October 17, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.02%, the 87th percentile. Fixed in archvsync 20171017.
References
openwall.com/lists/oss-security/2017/10/17/2
lists.debian.org/debian-mirrors/2017/10/msg00017.html
anonscm.debian.org/cgit/mirror/archvsync.git/commit?id=d1ca2ab2210990b6dfb664cd6776a41b71c48016
nvd.nist.gov/vuln/detail/CVE-2017-8805
github.com/advisories/GHSA-f9qc-p869-hxxw
security-tracker.debian.org/tracker/CVE-2017-8805
ubuntu.com/security/CVE-2017-8805
cve.org/CVERecord?id=CVE-2017-8805