CVE-2019-25017
published 2021-02-02CVE-2019-25017: An issue was discovered in rcp in MIT krb5-appl through 1.0.3. Due to the rcp implementation being derived from 1983 rcp, the server chooses which…
PriorityP335medium5.9CVSS 3.1
AVNACHPRNUINSUCNIHAN
EPSS
1.43%
70.2th percentile
An issue was discovered in rcp in MIT krb5-appl through 1.0.3. Due to the rcp implementation being derived from 1983 rcp, the server chooses which files/directories are sent to the client. However, the rcp client only performs cursory validation of the object name returned (only directory traversal attacks are prevented). A malicious rcp server (or Man-in-The-Middle attacker) can overwrite arbitrary files in the rcp client target directory. If recursive operation (-r) is performed, the server can manipulate subdirectories as well (for example, to overwrite the .ssh/authorized_keys file). This issue is similar to CVE-2019-6111 and CVE-2019-7283. NOTE: MIT krb5-appl is not supported upstream but is shipped by a few Linux distributions. The affected code was removed from the supported MIT Kerberos 5 (aka krb5) product many years ago, at version 1.8.
Affected
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| mit | krb5-appl | <= 1.0.3 | — |
CVSS provenance
nvdv3.15.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
nvdv2.05.8MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:P
vendor_redhat5.9MEDIUM
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Red Hat
krb5-appl: Improper validation of object names allows malicious server to overwrite files via rcp client
vendor_redhat·2021-02-02·CVSS 5.9
CVE-2019-25017 [MEDIUM] CWE-20 krb5-appl: Improper validation of object names allows malicious server to overwrite files via rcp client
krb5-appl: Improper validation of object names allows malicious server to overwrite files via rcp client
An issue was discovered in rcp in MIT krb5-appl through 1.0.3. Due to the rcp implementation being derived from 1983 rcp, the server chooses which files/directories are sent to the client. However, the rcp client only performs cursory validation of the object name returned (only directory traversal attacks are prevented). A malicious rcp server (or Man-in-The-Middle attacker) can overwrite arbitrary files in the rcp client target directory. If recursive operation (-r) is performed, the server can manipulate subdirectories as well (for example, to overwrite the .ssh/authorized_keys file). This issue is similar to CVE-2019-6111 and CVE-2019-7283. NOTE: MIT krb5-appl is not supported upst
GHSA
GHSA-hj6m-8794-335m: An issue was discovered in rcp in MIT krb5-appl through 1
ghsa_unreviewed·2022-05-24·CVSS 5.9
CVE-2019-25017 [MEDIUM] GHSA-hj6m-8794-335m: An issue was discovered in rcp in MIT krb5-appl through 1
An issue was discovered in rcp in MIT krb5-appl through 1.0.3. Due to the rcp implementation being derived from 1983 rcp, the server chooses which files/directories are sent to the client. However, the rcp client only performs cursory validation of the object name returned (only directory traversal attacks are prevented). A malicious rcp server (or Man-in-The-Middle attacker) can overwrite arbitrary files in the rcp client target directory. If recursive operation (-r) is performed, the server can manipulate subdirectories as well (for example, to overwrite the .ssh/authorized_keys file). This issue is similar to CVE-2019-6111 and CVE-2019-7283. NOTE: MIT krb5-appl is not supported upstream but is shipped by a few Linux distributions. The affected code was removed from the supported MIT Ker
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-02-02
Published