Anonymous connection In openssh
Description
The process_open function in sftp-server.c in OpenSSH before 7.6 does not properly prevent write operations in readonly mode, which allows attackers to create zero-length files.
Mitigation
Update Impact
Minimal update. May introduce new vulnerabilities or breaking changes.
Ecosystem | Package | Affected version | Patched versions |
|---|---|---|---|
 debian 14 | >=0 <1:7.6p1-1 | 1:7.6p1-1 | |
 alpine v3.15 | =5.1_p1-r1 || =5.1_p1-r2 || =5.1p1-r0 || =5.2_p1-r0 || =5.2_p1-r1 || =5.2_p1-r2 || =5.2_p1-r3 || =5.3_p1-r3 || =5.4_p1-r0 || =5.4_p1-r1 || =5.4_p1-r2 || =5.4_p1-r3 || =5.5_p1-r0 || =5.6_p1-r0 || =5.6_p1-r1 || =5.8_p1-r0 || =5.8_p1-r1 || =5.8_p1-r2 || =5.8_p2-r0 || =5.8_p2-r1 || =5.8_p2-r2 || =5.9_p1-r0 || =5.9_p1-r1 || =5.9_p1-r2 || =6.0_p1-r0 || =6.1_p1-r0 || =6.1_p1-r1 || =6.1_p1-r2 || =6.2_p1-r0 || =6.2_p2-r0 || =6.2_p2-r1 || =6.2_p2-r2 || =6.3_p1-r0 || =6.3_p1-r1 || =6.3_p1-r2 || =6.4_p1-r0 || =6.4_p1-r1 || =6.6_p1-r0 || =6.6_p1-r1 || =6.6_p1-r2 || =6.6_p1-r3 || =6.6_p1-r4 || =6.6_p1-r5 || =6.6_p1-r6 || =6.7_p1-r0 || =6.8_p1-r0 || =6.8_p1-r1 || =6.8_p1-r2 || =6.9_p1-r0 || =6.9_p1-r1 || =6.9_p1-r2 || =6.9_p1-r3 || =6.9_p1-r4 || =6.9_p1-r5 || =7.1_p1-r0 || =7.1_p1-r1 || =7.1_p2-r0 || =7.2_p1-r0 || =7.2_p2-r0 || =7.2_p2-r1 || =7.3_p1-r0 || =7.3_p1-r1 || =7.3_p1-r2 || =7.4_p1-r0 || =7.4_p1-r1 || =7.4_p1-r2 || =7.5_p1-r0 || =7.5_p1-r1 || =7.5_p1-r2 || =7.5_p1-r3 || =7.5_p1-r4 || =7.5_p1-r5 || =7.5_p1-r6 || =7.5_p1-r7 || >=0 <7.5_p1-r8 | 7.5_p1-r8 | |
alpine v3.12 | =5.1_p1-r1 || =5.1_p1-r2 || =5.1p1-r0 || =5.2_p1-r0 || =5.2_p1-r1 || =5.2_p1-r2 || =5.2_p1-r3 || =5.3_p1-r3 || =5.4_p1-r0 || =5.4_p1-r1 || =5.4_p1-r2 || =5.4_p1-r3 || =5.5_p1-r0 || =5.6_p1-r0 || =5.6_p1-r1 || =5.8_p1-r0 || =5.8_p1-r1 || =5.8_p1-r2 || =5.8_p2-r0 || =5.8_p2-r1 || =5.8_p2-r2 || =5.9_p1-r0 || =5.9_p1-r1 || =5.9_p1-r2 || =6.0_p1-r0 || =6.1_p1-r0 || =6.1_p1-r1 || =6.1_p1-r2 || =6.2_p1-r0 || =6.2_p2-r0 || =6.2_p2-r1 || =6.2_p2-r2 || =6.3_p1-r0 || =6.3_p1-r1 || =6.3_p1-r2 || =6.4_p1-r0 || =6.4_p1-r1 || =6.6_p1-r0 || =6.6_p1-r1 || =6.6_p1-r2 || =6.6_p1-r3 || =6.6_p1-r4 || =6.6_p1-r5 || =6.6_p1-r6 || =6.7_p1-r0 || =6.8_p1-r0 || =6.8_p1-r1 || =6.8_p1-r2 || =6.9_p1-r0 || =6.9_p1-r1 || =6.9_p1-r2 || =6.9_p1-r3 || =6.9_p1-r4 || =6.9_p1-r5 || =7.1_p1-r0 || =7.1_p1-r1 || =7.1_p2-r0 || =7.2_p1-r0 || =7.2_p2-r0 || =7.2_p2-r1 || =7.3_p1-r0 || =7.3_p1-r1 || =7.3_p1-r2 || =7.4_p1-r0 || =7.4_p1-r1 || =7.4_p1-r2 || =7.5_p1-r0 || =7.5_p1-r1 || =7.5_p1-r2 || =7.5_p1-r3 || =7.5_p1-r4 || =7.5_p1-r5 || =7.5_p1-r6 || =7.5_p1-r7 || >=0 <7.5_p1-r8 | 7.5_p1-r8 | |
alpine v3.6 | =5.1_p1-r1 || =5.1_p1-r2 || =5.1p1-r0 || =5.2_p1-r0 || =5.2_p1-r1 || =5.2_p1-r2 || =5.2_p1-r3 || =5.3_p1-r3 || =5.4_p1-r0 || =5.4_p1-r1 || =5.4_p1-r2 || =5.4_p1-r3 || =5.5_p1-r0 || =5.6_p1-r0 || =5.6_p1-r1 || =5.8_p1-r0 || =5.8_p1-r1 || =5.8_p1-r2 || =5.8_p2-r0 || =5.8_p2-r1 || =5.8_p2-r2 || =5.9_p1-r0 || =5.9_p1-r1 || =5.9_p1-r2 || =6.0_p1-r0 || =6.1_p1-r0 || =6.1_p1-r1 || =6.1_p1-r2 || =6.2_p1-r0 || =6.2_p2-r0 || =6.2_p2-r1 || =6.2_p2-r2 || =6.3_p1-r0 || =6.3_p1-r1 || =6.3_p1-r2 || =6.4_p1-r0 || =6.4_p1-r1 || =6.6_p1-r0 || =6.6_p1-r1 || =6.6_p1-r2 || =6.6_p1-r3 || =6.6_p1-r4 || =6.6_p1-r5 || =6.6_p1-r6 || =6.7_p1-r0 || =6.8_p1-r0 || =6.8_p1-r1 || =6.8_p1-r2 || =6.9_p1-r0 || =6.9_p1-r1 || =6.9_p1-r2 || =6.9_p1-r3 || =6.9_p1-r4 || =6.9_p1-r5 || =7.1_p1-r0 || =7.1_p1-r1 || =7.1_p2-r0 || =7.2_p1-r0 || =7.2_p2-r0 || =7.2_p2-r1 || =7.3_p1-r0 || =7.3_p1-r1 || =7.3_p1-r2 || =7.4_p1-r0 || =7.4_p1-r1 || =7.4_p1-r2 || =7.5_p1-r0 || =7.5_p1-r1 || >=0 <7.5_p1-r2 | 7.5_p1-r2 | |
alpine v3.19 | =5.1_p1-r1 || =5.1_p1-r2 || =5.1p1-r0 || =5.2_p1-r0 || =5.2_p1-r1 || =5.2_p1-r2 || =5.2_p1-r3 || =5.3_p1-r3 || =5.4_p1-r0 || =5.4_p1-r1 || =5.4_p1-r2 || =5.4_p1-r3 || =5.5_p1-r0 || =5.6_p1-r0 || =5.6_p1-r1 || =5.8_p1-r0 || =5.8_p1-r1 || =5.8_p1-r2 || =5.8_p2-r0 || =5.8_p2-r1 || =5.8_p2-r2 || =5.9_p1-r0 || =5.9_p1-r1 || =5.9_p1-r2 || =6.0_p1-r0 || =6.1_p1-r0 || =6.1_p1-r1 || =6.1_p1-r2 || =6.2_p1-r0 || =6.2_p2-r0 || =6.2_p2-r1 || =6.2_p2-r2 || =6.3_p1-r0 || =6.3_p1-r1 || =6.3_p1-r2 || =6.4_p1-r0 || =6.4_p1-r1 || =6.6_p1-r0 || =6.6_p1-r1 || =6.6_p1-r2 || =6.6_p1-r3 || =6.6_p1-r4 || =6.6_p1-r5 || =6.6_p1-r6 || =6.7_p1-r0 || =6.8_p1-r0 || =6.8_p1-r1 || =6.8_p1-r2 || =6.9_p1-r0 || =6.9_p1-r1 || =6.9_p1-r2 || =6.9_p1-r3 || =6.9_p1-r4 || =6.9_p1-r5 || =7.1_p1-r0 || =7.1_p1-r1 || =7.1_p2-r0 || =7.2_p1-r0 || =7.2_p2-r0 || =7.2_p2-r1 || =7.3_p1-r0 || =7.3_p1-r1 || =7.3_p1-r2 || =7.4_p1-r0 || =7.4_p1-r1 || =7.4_p1-r2 || =7.5_p1-r0 || =7.5_p1-r1 || =7.5_p1-r2 || =7.5_p1-r3 || =7.5_p1-r4 || =7.5_p1-r5 || =7.5_p1-r6 || =7.5_p1-r7 || >=0 <7.5_p1-r8 | 7.5_p1-r8 | |
alpine v3.9 | =5.1_p1-r1 || =5.1_p1-r2 || =5.1p1-r0 || =5.2_p1-r0 || =5.2_p1-r1 || =5.2_p1-r2 || =5.2_p1-r3 || =5.3_p1-r3 || =5.4_p1-r0 || =5.4_p1-r1 || =5.4_p1-r2 || =5.4_p1-r3 || =5.5_p1-r0 || =5.6_p1-r0 || =5.6_p1-r1 || =5.8_p1-r0 || =5.8_p1-r1 || =5.8_p1-r2 || =5.8_p2-r0 || =5.8_p2-r1 || =5.8_p2-r2 || =5.9_p1-r0 || =5.9_p1-r1 || =5.9_p1-r2 || =6.0_p1-r0 || =6.1_p1-r0 || =6.1_p1-r1 || =6.1_p1-r2 || =6.2_p1-r0 || =6.2_p2-r0 || =6.2_p2-r1 || =6.2_p2-r2 || =6.3_p1-r0 || =6.3_p1-r1 || =6.3_p1-r2 || =6.4_p1-r0 || =6.4_p1-r1 || =6.6_p1-r0 || =6.6_p1-r1 || =6.6_p1-r2 || =6.6_p1-r3 || =6.6_p1-r4 || =6.6_p1-r5 || =6.6_p1-r6 || =6.7_p1-r0 || =6.8_p1-r0 || =6.8_p1-r1 || =6.8_p1-r2 || =6.9_p1-r0 || =6.9_p1-r1 || =6.9_p1-r2 || =6.9_p1-r3 || =6.9_p1-r4 || =6.9_p1-r5 || =7.1_p1-r0 || =7.1_p1-r1 || =7.1_p2-r0 || =7.2_p1-r0 || =7.2_p2-r0 || =7.2_p2-r1 || =7.3_p1-r0 || =7.3_p1-r1 || =7.3_p1-r2 || =7.4_p1-r0 || =7.4_p1-r1 || =7.4_p1-r2 || =7.5_p1-r0 || =7.5_p1-r1 || =7.5_p1-r2 || =7.5_p1-r3 || =7.5_p1-r4 || =7.5_p1-r5 || =7.5_p1-r6 || =7.5_p1-r7 || >=0 <7.5_p1-r8 | 7.5_p1-r8 | |
debian 12 | >=0 <1:7.6p1-1 | 1:7.6p1-1 | |
alpine v3.11 | =5.1_p1-r1 || =5.1_p1-r2 || =5.1p1-r0 || =5.2_p1-r0 || =5.2_p1-r1 || =5.2_p1-r2 || =5.2_p1-r3 || =5.3_p1-r3 || =5.4_p1-r3 || =5.5_p1-r3 || =5.6_p1-r3 || =5.8_p1-r3 || =5.8_p2-r3 || =5.9_p1-r3 || =6.0_p1-r3 || =6.1_p1-r3 || =6.2_p1-r3 || =6.2_p2-r3 || =6.3_p1-r3 || =6.4_p1-r3 || =6.6_p1-r3 || =6.7_p1-r3 || =6.8_p1-r3 || =6.9_p1-r3 || =7.1_p1-r3 || =7.1_p2-r3 || =7.2_p1-r3 || =7.2_p2-r3 || =7.3_p1-r3 || =7.4_p1-r3 || =7.5_p1-r3 || >=0 <7.5_p1-r8 | 7.5_p1-r8 | |
alpine v3.10 | =5.1_p1-r1 || =5.1_p1-r2 || =5.1p1-r0 || =5.2_p1-r0 || =5.2_p1-r1 || =5.2_p1-r2 || =5.2_p1-r3 || =5.3_p1-r3 || =5.4_p1-r0 || =5.4_p1-r1 || =5.4_p1-r2 || =5.4_p1-r3 || =5.5_p1-r0 || =5.6_p1-r0 || =5.6_p1-r1 || =5.8_p1-r0 || =5.8_p1-r1 || =5.8_p1-r2 || =5.8_p2-r0 || =5.8_p2-r1 || =5.8_p2-r2 || =5.9_p1-r0 || =5.9_p1-r1 || =5.9_p1-r2 || =6.0_p1-r0 || =6.1_p1-r0 || =6.1_p1-r1 || =6.1_p1-r2 || =6.2_p1-r0 || =6.2_p2-r0 || =6.2_p2-r1 || =6.2_p2-r2 || =6.3_p1-r0 || =6.3_p1-r1 || =6.3_p1-r2 || =6.4_p1-r0 || =6.4_p1-r1 || =6.6_p1-r0 || =6.6_p1-r1 || =6.6_p1-r2 || =6.6_p1-r3 || =6.6_p1-r4 || =6.6_p1-r5 || =6.6_p1-r6 || =6.7_p1-r0 || =6.8_p1-r0 || =6.8_p1-r1 || =6.8_p1-r2 || =6.9_p1-r0 || =6.9_p1-r1 || =6.9_p1-r2 || =6.9_p1-r3 || =6.9_p1-r4 || =6.9_p1-r5 || =7.1_p1-r0 || =7.1_p1-r1 || =7.1_p2-r0 || =7.2_p1-r0 || =7.2_p2-r0 || =7.2_p2-r1 || =7.3_p1-r0 || =7.3_p1-r1 || =7.3_p1-r2 || =7.4_p1-r0 || =7.4_p1-r1 || =7.4_p1-r2 || =7.5_p1-r0 || =7.5_p1-r1 || =7.5_p1-r2 || =7.5_p1-r3 || =7.5_p1-r4 || =7.5_p1-r5 || =7.5_p1-r6 || =7.5_p1-r7 || >=0 <7.5_p1-r8 | 7.5_p1-r8 | |
alpine v3.13 | =5.1_p1-r1 || =5.1_p1-r2 || =5.1p1-r0 || =5.2_p1-r0 || =5.2_p1-r1 || =5.2_p1-r2 || =5.2_p1-r3 || =5.3_p1-r3 || =5.4_p1-r0 || =5.4_p1-r1 || =5.4_p1-r2 || =5.4_p1-r3 || =5.5_p1-r0 || =5.6_p1-r0 || =5.6_p1-r1 || =5.8_p1-r0 || =5.8_p1-r1 || =5.8_p1-r2 || =5.8_p2-r0 || =5.8_p2-r1 || =5.8_p2-r2 || =5.9_p1-r0 || =5.9_p1-r1 || =5.9_p1-r2 || =6.0_p1-r0 || =6.1_p1-r0 || =6.1_p1-r1 || =6.1_p1-r2 || =6.2_p1-r0 || =6.2_p2-r0 || =6.2_p2-r1 || =6.2_p2-r2 || =6.3_p1-r0 || =6.3_p1-r1 || =6.3_p1-r2 || =6.4_p1-r0 || =6.4_p1-r1 || =6.6_p1-r0 || =6.6_p1-r1 || =6.6_p1-r2 || =6.6_p1-r3 || =6.6_p1-r4 || =6.6_p1-r5 || =6.6_p1-r6 || =6.7_p1-r0 || =6.8_p1-r0 || =6.8_p1-r1 || =6.8_p1-r2 || =6.9_p1-r0 || =6.9_p1-r1 || =6.9_p1-r2 || =6.9_p1-r3 || =6.9_p1-r4 || =6.9_p1-r5 || =7.1_p1-r0 || =7.1_p1-r1 || =7.1_p2-r0 || =7.2_p1-r0 || =7.2_p2-r0 || =7.2_p2-r1 || =7.3_p1-r0 || =7.3_p1-r1 || =7.3_p1-r2 || =7.4_p1-r0 || =7.4_p1-r1 || =7.4_p1-r2 || =7.5_p1-r0 || =7.5_p1-r1 || =7.5_p1-r2 || =7.5_p1-r3 || =7.5_p1-r4 || =7.5_p1-r5 || =7.5_p1-r6 || =7.5_p1-r7 || >=0 <7.5_p1-r8 | 7.5_p1-r8 |
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