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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.02%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 9.1 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- EPSS
- 3.02% probability · 87th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- debian/ftpsync
- Source
- security@debian.org
EPSS 3.0% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.openwall.com/lists/oss-security/2017/10/17/2Issue Tracking, Mailing List, Patch, Third Party Advisory
- https://anonscm.debian.org/cgit/mirror/archvsync.git/commit/?id=d1ca2ab2210990b6dfb664cd6776a41b71c48016Issue Tracking, Patch, Vendor Advisory
- https://lists.debian.org/debian-mirrors/2017/10/msg00017.htmlIssue Tracking, Mailing List, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2017/10/17/2Issue Tracking, Mailing List, Patch, Third Party Advisory
- https://anonscm.debian.org/cgit/mirror/archvsync.git/commit/?id=d1ca2ab2210990b6dfb664cd6776a41b71c48016Issue Tracking, Patch, Vendor Advisory
- https://lists.debian.org/debian-mirrors/2017/10/msg00017.htmlIssue Tracking, Mailing List, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.