Security Bulletin
Summary
There is a vulnerability in the gencore user command that affects AIX.
Vulnerability Details
DESCRIPTION: IBM AIX could allow a local user to exploit a vulnerability in the gencore user command to create arbitrary files in any directory.
CVSS Base score: 6.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/190911 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
Affected Products and Versions
Affected Product(s) | Version(s) |
AIX | 7.1 |
AIX | 7.2 |
VIOS | 3.1 |
Fileset | Lower Level | Upper Level |
bos.mp64 | 7.1.5.0 | 7.1.5.40 |
bos.mp64 | 7.2.3.0 | 7.2.3.19 |
bos.mp64 | 7.2.4.0 | 7.2.4.7 |
bos.mp64 | 7.2.5.0 | 7.2.5.1 |
Remediation/Fixes
IBM has assigned the following APARs to this problem:
AIX Level | APAR | SP |
7.1.5 | IJ28825 | SP08 |
7.2.3 | IJ28826 | SP07 |
7.2.4 | IJ28827 | SP04 |
7.2.5 | IJ28828 | SP02 |
VIOS Level | APAR | SP |
3.1.0 | IJ28826 | 3.1.0.60 |
3.1.1 | IJ28827 | 3.1.1.40 |
3.1.2 | IJ28828 | 3.1.2.20 |
AIX Level | Interim Fix (*.Z) |
7.1.5.5 | IJ28825m5a.201221.epkg.Z |
7.1.5.5 | IJ28825m5b.201221.epkg.Z |
7.1.5.6 | IJ28825m6a.201221.epkg.Z |
7.1.5.6 | IJ28825m6b.201221.epkg.Z |
7.1.5.6 | IJ28825m6c.201221.epkg.Z |
7.1.5.7 | IJ28825m7a.201221.epkg.Z |
7.1.5.7 | IJ28825m7b.201221.epkg.Z |
7.2.3.3 | IJ28826m3a.201221.epkg.Z |
7.2.3.4 | IJ28826m4a.201221.epkg.Z |
7.2.3.5 | IJ28826m5a.201221.epkg.Z |
7.2.4.0 | IJ28827m0a.201222.epkg.Z |
7.2.4.1 | IJ28827m1a.201222.epkg.Z |
7.2.4.2 | IJ28827m2a.201222.epkg.Z |
7.2.4.2 | IJ28827m2b.201222.epkg.Z |
7.2.4.2 | IJ28827m2c.201222.epkg.Z |
7.2.4.3 | IJ28827m3a.210306.epkg.Z |
7.2.5.0 | IJ28828m1a.201222.epkg.Z |
7.2.5.1 | IJ28828m1a.201222.epkg.Z |
VIOS Level | Interim Fix (*.Z) |
3.1.0.20 | IJ28826m3a.201221.epkg.Z |
3.1.0.30 | IJ28826m4a.201221.epkg.Z |
3.1.0.40 | IJ28826m5a.201221.epkg.Z |
3.1.1.0 | IJ28827m0a.201222.epkg.Z |
3.1.1.10 | IJ28827m1b.201222.epkg.Z |
3.1.1.20 | IJ28827m2c.201222.epkg.Z |
3.1.1.21 | IJ28827m2b.201222.epkg.Z |
3.1.1.25 | IJ28827m2a.201222.epkg.Z |
3.1.1.30 | IJ28827m3a.210306.epkg.Z |
3.1.2.0 | IJ28828m1a.201222.epkg.Z |
3.1.2.10 | IJ28828m1a.201222.epkg.Z |
openssl dgst -sha256 | filename |
6d8482ef0decc18eb9cb37820ba1b8099cdf158523b6a95006cee1a081a48f83 | IJ28825m5a.201221.epkg.Z |
343e07de2e256b5439851da18ba3ea3a21dca3a98b55cba09306d46145c952de | IJ28825m5b.201221.epkg.Z |
71c903ff543d5c583d74330a48fdd60ab52d82ff8214407237ca9b8929d38d27 | IJ28825m6a.201221.epkg.Z |
e2798e2d78872870e153fad899b7f9b4c0eb0447b1068211050a91230989aa71 | IJ28825m6b.201221.epkg.Z |
3ac89e2e382cba3c440f37789f437a48be61f2bebcdf398e0a97ab2fa5dd20f7 | IJ28825m6c.201221.epkg.Z |
6bd374a44b0d571ce6628afb0ea163df493f942ddd618a616be24fa1839d7845 | IJ28825m7a.201221.epkg.Z |
0bce6ede7a2ea902d614eb892af533d90b4dfedf3a1d05f17b7ec1c21782fc38 | IJ28825m7b.201221.epkg.Z |
ec4f01c8bc31b61f9679be6d03d3ed7ac9713a4349b31c855eaf4b0f4b9cf377 | IJ28826m3a.201221.epkg.Z |
a3dae1d428ea866a7dab943285a4ebef8fa420451bd23bfeba919761fb4cd300 | IJ28826m4a.201221.epkg.Z |
8c6bb8caf628078c0387433ff978067280477d0b3ea3568102096cbf005a633c | IJ28826m5a.201221.epkg.Z |
5c9ad296cecb576dcef4631b75fa1987a9c856de07e466a5e1a6aa8529b7269f | IJ28827m0a.201222.epkg.Z |
8911ccd41e8926d247de9abc9da7387c1158a4b7606a945b2659dfaa95a6c8f6 | IJ28827m1a.201222.epkg.Z |
e6b977bef6e2d799b5b0ad0fd0a03c3b59922ee0a76ccaf414db97ca879e1329 | IJ28827m1b.201222.epkg.Z |
0637ffbb60a918da32548c3861fbfa381db04be375cf21d372efdef3711ca569 | IJ28827m2a.201222.epkg.Z |
50786a721811b2eff98fbb24c85ed9bb8977f44891d29114d8fe43d79c0fe10e | IJ28827m2b.201222.epkg.Z |
4c6b71538dedded55aeffe7451a02998885dcc80ca12b1fa7937d53ff1a26402 | IJ28827m2c.201222.epkg.Z |
321cd8cf7362d25c05948b0717029e54bcc7233002a5eaae1b30d5e88d5b5f13 | IJ28827m3a.210306.epkg.Z |
d8e107386c7eb45966ef9f3635f4e7253665c04795427f06a7e73a55b8847a54 | IJ28828m1a.201222.epkg.Z |
Workarounds and Mitigations
Get Notified about Future Security Bulletins
References
Change History
19 Jan 2021: Initial Publication
30 March 2021: iFix now provided for AIX 7200-04-03 and VIOS 3.1.1.30
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
30 March 2021
UID
ibm16406022