cbcvebase.
CVE-2017-0213
published 2017-05-12

CVE-2017-0213: Windows COM Aggregate Marshaler in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1…

PriorityP187high7.3CVSS 3.1
AVLACLPRLUIRSUCHIHAH
KEVITWEXPLOITRansomware
CISA Known Exploited Vulnerabilitydue 2022-04-18
Exploited in the wild
EPSS
84.26%
99.7th percentile
Windows COM Aggregate Marshaler in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows an elevation privilege vulnerability when an attacker runs a specially crafted application, aka "Windows COM Elevation of Privilege Vulnerability". This CVE ID is unique from CVE-2017-0214.

Affected

18 ranges
VendorProductVersion rangeFixed in
microsoftwindows_10——
microsoftwindows_10——
microsoftwindows_10——
microsoftwindows_server_2008——
microsoftwindows_server_2012——
microsoft_corporationwindows_com——
msrcwindows_10——
msrcwindows_10_version_1511——
msrcwindows_10_version_1607——
msrcwindows_10_version_1703——
msrcwindows_7——
msrcwindows_8.1——
msrcwindows_rt_8.1——
msrcwindows_server_2008——
msrcwindows_server_2008_r2——
msrcwindows_server_2012——
msrcwindows_server_2012_r2——
msrcwindows_server_2016——

Detection & IOCsextracted from sources · hover to see the quote

hashd6a956684e7b3dc1e7c420b8ff2f8f3367f68cc5a7c440a8a2d8f78f1a59c859↗
hashab2c3f3e1750b92273772624d2bbf1827bb066ac4b6e5fe7843c884f4d1dfae9↗
hashb6663af099538a396775273d79cb6fff99a18e2de2a8a2a106de8212cc44f3e2↗
hashedaddb4671a5ff6cc46b94b0d7fafefe6c623802b462c72cf039c8047ac35328↗
hash1318f8a4566a50537f579d24fd1aabcf7e22e89bc75ffd13b3088fc6e80e9a2a↗
hashc86df3a8c050f430982dc8d4f4cc172ccc37478d1ba2646dc205bffe073484d1↗
hashb72beb391c75af52c6fb62561f26214b682f12d95660b128d9e21e18e3bff246↗
hash46f7b205b0a143b60deb5ad38c042702ddaa18d0ee2954d3380ee302ed1484bc↗
hashf4277284fa71e81586e67fb5fe464c8cdacc0a2f588e3b80a814b41504a37156↗
hash438f11a883070214ad063ddf043460ca54863c1f7bf1db64b6d0d474331c94f8↗
hash2bcd2afd6bd3051681ee269beaf46cd20cc1a121e0c2328126e1b63fab6632f2↗
hashc5c2c382bb3fa555e2c311f8f53a99d62c576dfeeb8aff6ad46f73d8a0d2dd13↗
hash4e8e84ad831cf251366b609720d6e3c6523fdd66ea0f989acb5d62e62e418cdf↗
hash60620c93071bf5c5f2a024588f8e1d8a0a710d37fd12169cf7526e737934e449↗
hash4a63daa8477d16abfcf564aa8ef1f4f68c5e4dbc09f65bd6ebb2f43d8a24ba3d↗
hash2036f30ed21663586e62e67efec30c37bb91fb8bc9e1983f69f98f19242ed5cc↗
hashe7d3ab7cd88592858aaeeaeca61a486352d7ccecfb124bfa6a3725dc682a8201↗
hashce33096639fb5c51684e9e3a7c7c7161884ecad29e8d6ad602fd8be42076b8d4↗
hash98d91b550f5c6bfc2b7767985071d1dfa2e39780dc41b9d9d07e5117d58a8686↗
hash0aaa7a3596af6b1aae02b6e6ca878045360d467f96b0687363a9dce19ea60a36↗
hash6fd4ec6611bf7e691be80483bcf860e827d513df45e20d78f29cf4638b6c20e8↗
hash4f0268288fb680fbabc48b09a87e828a6e18782516fa9b9bfc23acc2727f6ba9↗
hashf043f7156e1d678ac2c852c8f364aae93d895cae934d1ec42af13d175465913e↗
hashcf5ec678a2f836f859eb983eb633d529c25771b3b7505e74aa695b7ca00f9fa8↗
hash3bc8ce79ee7043c9ad70698e3fc2013806244dc5112c8c8d465e96757b57b1e1↗
hashe1957024039b0e48a15c27448f19d4df4f0e4666f9ac34e7f4d42dd3c32e15ed↗
otherMS.Windows.COM.Type.Confusion.Privilege.Escalation↗
  • →CVE-2017-0213 is exploited for local privilege escalation via Windows COM Aggregate Marshaler type confusion; monitor for exploitation of BITS SetNotifyInterface with mismatched IID/OBJREF streams, and for type library loading under impersonation context. ↗
  • →APT33 has used a publicly available exploit for CVE-2017-0213 for local privilege escalation; hunt for exploit binaries associated with this CVE on endpoints. ↗
  • →Monitor Windows Event Log for Event ID 7031 (service terminated unexpectedly), which may indicate Ragnar Locker terminating services as part of post-exploitation following CVE-2017-0213 privilege escalation. ↗
  • →Alert on vssadmin.exe invocations that delete shadow copies, a post-exploitation step observed after CVE-2017-0213 privilege escalation in Ragnar Locker attacks. ↗
  • →The PoC exploit for CVE-2017-0213 abuses BITS SetNotifyInterface; monitor for unusual BITS service activity and type library loading from non-standard paths while impersonating low-privileged users. ↗
  • →Network traffic to TOR nodes following initial compromise may indicate post-exploitation C2 activity in campaigns leveraging CVE-2017-0213. ↗
  • ·Type libraries are not loaded using the flag added after CVE-2015-1644 which prevents DLLs being loaded from the impersonated device map, leaving the type library loading vector open in the CVE-2017-0213 exploit chain. ↗

CVSS provenance

nvdv3.17.3HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
nvdv2.01.9LOWAV:L/AC:M/Au:N/C:N/I:P/A:N
vulncheck7.3HIGH
cisa7.3HIGH
vendor_msrc6.7MEDIUM
CVEs like this are exactly what “Exploited This Week” covers.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.