What’s Vulnerable › Vulnerabilities

CVE-2017-8805

• Severity: critical (CVSS 9.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-10-17 · updated 2026-06-17
• Weakness: CWE-22

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.

Affected products

• Debian ftpsync before 20171017: through 20171016

References

• http://www.openwall.com/lists/oss-security/2017/10/17/2
• https://anonscm.debian.org/cgit/mirror/archvsync.git/commit/?id=d1ca2ab2210990b6dfb664cd6776a41b71c48016
• https://lists.debian.org/debian-mirrors/2017/10/msg00017.html
• http://www.openwall.com/lists/oss-security/2017/10/17/2
• https://anonscm.debian.org/cgit/mirror/archvsync.git/commit/?id=d1ca2ab2210990b6dfb664cd6776a41b71c48016
• https://lists.debian.org/debian-mirrors/2017/10/msg00017.html

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