samba-4.10.16-15.el7
エラータID: AXSA:2021-1874:03
リリース日:
2021/06/09 Wednesday - 17:19
題名:
samba-4.10.16-15.el7
影響のあるチャネル:
Asianux Server 7 for x86_64
Severity:
Moderate
Description:
以下項目について対処しました。
[Security Fix]
- samba の smdb ファイルサーバーには、Windows のグループ ID (SID) を unix のグループ ID (gid) に
マッピングする際に実行するコードに、マッピングキャッシュに負のキャッシュエントリが追加されている場合、
配列の終端を超えてデータを読み取ることができるという問題があり、これにより呼び出したコードが、
ユーザーのグループ・メンバーシップを保存するプロセス・トークンに配列外の値を返してしまう
脆弱性があります。(CVE-2021-20254)
解決策:
パッケージをアップデートしてください。
CVE:
CVE-2021-20254
A flaw was found in samba. The Samba smbd file server must map Windows group identities (SIDs) into unix group ids (gids). The code that performs this had a flaw that could allow it to read data beyond the end of the array in the case where a negative cache entry had been added to the mapping cache. This could cause the calling code to return those values into the process token that stores the group membership for a user. The highest threat from this vulnerability is to data confidentiality and integrity.
A flaw was found in samba. The Samba smbd file server must map Windows group identities (SIDs) into unix group ids (gids). The code that performs this had a flaw that could allow it to read data beyond the end of the array in the case where a negative cache entry had been added to the mapping cache. This could cause the calling code to return those values into the process token that stores the group membership for a user. The highest threat from this vulnerability is to data confidentiality and integrity.
追加情報:
N/A
ダウンロード:
SRPMS
- samba-4.10.16-15.el7.src.rpm
MD5: b436ec87a7bdf0678e6d7872ef0a8a6e
SHA-256: 7d2ab20963bc4dca53e37239afcab5d44a3f4b8bd3eae1be084df96633b8dd8c
Size: 11.66 MB
Asianux Server 7 for x86_64
- ctdb-4.10.16-15.el7.x86_64.rpm
MD5: c94d8aa899819cf0169d57cc9b9f29e2
SHA-256: fab210a59e79df359731d10ca33f0f40857fc75b8f882ff9437dcd62b9329c95
Size: 758.71 kB - ctdb-tests-4.10.16-15.el7.x86_64.rpm
MD5: 90d29cf68a5406ebacca74cef5e97e41
SHA-256: 1b01b88d77c308a47b6623bc5cd524552fb1150457747be8612202e97542c4d4
Size: 1.30 MB - libsmbclient-4.10.16-15.el7.x86_64.rpm
MD5: 3d0dd51a3dbbe4296d40ba0ce92e4980
SHA-256: 062a6e6b9ac685320602ff61308394d726751d7140d1843bddc943fca874e587
Size: 144.34 kB - libwbclient-4.10.16-15.el7.x86_64.rpm
MD5: ff8beb1e4b6f6befe660da81a821166d
SHA-256: e3e9b0401b8e7ac7db9cba77ec548166356ef90c9244cc08d77429c6a0ea5df7
Size: 114.80 kB - samba-4.10.16-15.el7.x86_64.rpm
MD5: cb0707092c7f1e2c9e3fd4e0d64a8639
SHA-256: 0c52b0719deb8a315b7ba658545d5eb06440d5d8a55dc2b13911a25a9d71ae4e
Size: 717.95 kB - samba-client-4.10.16-15.el7.x86_64.rpm
MD5: 12a5d467b09a76d1f829ba4267985784
SHA-256: 856c922efc80a8c97a98761af0c1d3a251a1efe8b18b241c3fe0f72b2474d3cc
Size: 644.91 kB - samba-client-libs-4.10.16-15.el7.x86_64.rpm
MD5: a5ec34522546dfbc9bd91340291b3147
SHA-256: b38b263427a2934315b3be23002ba3db20e5af619f1816cddd9005fbd2011c70
Size: 5.00 MB - samba-common-4.10.16-15.el7.noarch.rpm
MD5: d29692b55ea9dc1b1d00397220ab2a7a
SHA-256: 00ceb62b584d54bb3aa96e7dff1cf6b35523a3a12774395789d98e950215d521
Size: 214.43 kB - samba-common-libs-4.10.16-15.el7.x86_64.rpm
MD5: 0889a4f9c0f0ea551a177402b7bc780e
SHA-256: e18e97c14e7e1476f67858402f95446730fb5b7579c87e4fb71560666c1ca515
Size: 180.89 kB - samba-common-tools-4.10.16-15.el7.x86_64.rpm
MD5: 815da53b1006ca17cf1582629ac40807
SHA-256: 2deab2d77f4b4a0ed5f151dc8fe4b273dd43622358e3a908556c685fe464fc8e
Size: 464.87 kB - samba-krb5-printing-4.10.16-15.el7.x86_64.rpm
MD5: b82e39a7a8f8d6dce89b67e8f29536ef
SHA-256: f0027ba2a34c75728aa39b4931efa2568be67b05b1cb8e4328035dcf2b17bd3d
Size: 94.37 kB - samba-libs-4.10.16-15.el7.x86_64.rpm
MD5: 545a64999cc612fe6b7cf605b8a63af2
SHA-256: f33d408cba2fb4b293d2bc0236e3a116adbbd09b7707bd1a169e2595f8981c3c
Size: 269.88 kB - samba-python-4.10.16-15.el7.x86_64.rpm
MD5: ff9aeb984478dc20ed5381829621ef70
SHA-256: ea9bc851fc9039efe1add6cb046dc965c8be50a3a7cc93947fbfd45d5abeeed5
Size: 2.95 MB - samba-winbind-4.10.16-15.el7.x86_64.rpm
MD5: 74c1d5e25330ce13ee4cd9345afa5ba2
SHA-256: 7638fd3114ddfb6bed3fa1dd774cdb6b991e3572c29a3e43d6440367caf83cd9
Size: 558.54 kB - samba-winbind-clients-4.10.16-15.el7.x86_64.rpm
MD5: ae9272b1f7e4c3eaa442ce881522a014
SHA-256: 8119c5952c34c709a9ce9c31aeb981c9dc760c8e8016cfeb3fba3abe6840b432
Size: 147.40 kB - samba-winbind-modules-4.10.16-15.el7.x86_64.rpm
MD5: 2483d17b7c624224352a60223b96d83b
SHA-256: 5e4d3019e577ad05e8b63c24096142d4e1a297e87f7d909476666642a73ef822
Size: 121.64 kB - libsmbclient-4.10.16-15.el7.i686.rpm
MD5: 87bf3cfb26dc769d4e85b80f17acd49e
SHA-256: a0424d269188b45e2cb22f0e52bdf5678827cd7b678a0442b807ce68513cdff1
Size: 144.63 kB - libwbclient-4.10.16-15.el7.i686.rpm
MD5: b75077a7fc620ebc0029dc3585886db7
SHA-256: 42ad4e1371761dd10645e3006a1d9ac1d9e714cbcc759c6e2bd64655e4e4de05
Size: 115.60 kB - samba-client-libs-4.10.16-15.el7.i686.rpm
MD5: 65d08424b3f0b317bafb137148326e49
SHA-256: 8cd087668aa9b83893206ec03665a1a8f7b095f3b187c837b2c6b4994ae18b65
Size: 5.07 MB - samba-common-libs-4.10.16-15.el7.i686.rpm
MD5: f92b337d82658fb7c543f01c8fec0060
SHA-256: f5616813f803f1496b857c79a85e35dc0b42ae50a6d89a671e3934ee61f961b4
Size: 176.57 kB - samba-libs-4.10.16-15.el7.i686.rpm
MD5: 0b8f6fe8a5e0e2789e62df9b34a6383d
SHA-256: e389581a13e4450957cad2eda5cdaa741a0d169c09e67f605c4daacd50345d5e
Size: 275.04 kB - samba-python-4.10.16-15.el7.i686.rpm
MD5: b755714e5a28c79f32325e4ca504f1ed
SHA-256: 5d2e0f3527ac94e9056bc81dd80d77c742288f55062a901ca02a61305b01018e
Size: 2.73 MB - samba-winbind-modules-4.10.16-15.el7.i686.rpm
MD5: 70a6da3d978dd5e7c920b972e4a107f6
SHA-256: 4eebd9f3d0623203c4e8a4b1294704eb943938e836d7a5e1f9e8e08989ef91d7
Size: 121.92 kB