ID

VAR-202109-0819

CVE

CVE-2021-30798

TITLE

Pillow Buffer error vulnerability

DESCRIPTION

A logic issue was addressed with improved state management. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6. A malicious application may be able to bypass certain Privacy preferences. Pillow is a Python-based image processing library. There is currently no information about this vulnerability, please feel free to follow CNNVD or manufacturer announcements. APPLE-SA-2021-07-21-5 watchOS 7.6. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2021-07-21-5 watchOS 7.6 watchOS 7.6 addresses the following issues. Information about the security content is also available at https://support.apple.com/HT212605. ActionKit Available for: Apple Watch Series 3 and later Impact: A shortcut may be able to bypass Internet permission requirements Description: An input validation issue was addressed with improved input validation. CVE-2021-30763: Zachary Keffaber (@QuickUpdate5) Audio Available for: Apple Watch Series 3 and later Impact: A local attacker may be able to cause unexpected application termination or arbitrary code execution Description: This issue was addressed with improved checks. CVE-2021-30781: tr3e CoreAudio Available for: Apple Watch Series 3 and later Impact: Processing a maliciously crafted audio file may lead to arbitrary code execution Description: A memory corruption issue was addressed with improved state management. CVE-2021-30775: JunDong Xie of Ant Security Light-Year Lab CoreAudio Available for: Apple Watch Series 3 and later Impact: Playing a malicious audio file may lead to an unexpected application termination Description: A logic issue was addressed with improved validation. CVE-2021-30776: JunDong Xie of Ant Security Light-Year Lab CoreText Available for: Apple Watch Series 3 and later Impact: Processing a maliciously crafted font file may lead to arbitrary code execution Description: An out-of-bounds read was addressed with improved input validation. CVE-2021-30789: Mickey Jin (@patch1t) of Trend Micro, Sunglin of Knownsec 404 team Crash Reporter Available for: Apple Watch Series 3 and later Impact: A malicious application may be able to gain root privileges Description: A logic issue was addressed with improved validation. CVE-2021-30774: Yizhuo Wang of Group of Software Security In Progress (G.O.S.S.I.P) at Shanghai Jiao Tong University CVMS Available for: Apple Watch Series 3 and later Impact: A malicious application may be able to gain root privileges Description: An out-of-bounds write issue was addressed with improved bounds checking. CVE-2021-30780: Tim Michaud(@TimGMichaud) of Zoom Video Communications dyld Available for: Apple Watch Series 3 and later Impact: A sandboxed process may be able to circumvent sandbox restrictions Description: A logic issue was addressed with improved validation. CVE-2021-30768: Linus Henze (pinauten.de) FontParser Available for: Apple Watch Series 3 and later Impact: Processing a maliciously crafted font file may lead to arbitrary code execution Description: An integer overflow was addressed through improved input validation. CVE-2021-30760: Sunglin of Knownsec 404 team FontParser Available for: Apple Watch Series 3 and later Impact: Processing a maliciously crafted tiff file may lead to a denial-of-service or potentially disclose memory contents Description: This issue was addressed with improved checks. CVE-2021-30788: tr3e working with Trend Micro Zero Day Initiative FontParser Available for: Apple Watch Series 3 and later Impact: Processing a maliciously crafted font file may lead to arbitrary code execution Description: A stack overflow was addressed with improved input validation. CVE-2021-30759: hjy79425575 working with Trend Micro Zero Day Initiative Identity Service Available for: Apple Watch Series 3 and later Impact: A malicious application may be able to bypass code signing checks Description: An issue in code signature validation was addressed with improved checks. CVE-2021-30773: Linus Henze (pinauten.de) ImageIO Available for: Apple Watch Series 3 and later Impact: Processing a maliciously crafted image may lead to arbitrary code execution Description: This issue was addressed with improved checks. CVE-2021-30779: Jzhu, Ye Zhang(@co0py_Cat) of Baidu Security ImageIO Available for: Apple Watch Series 3 and later Impact: Processing a maliciously crafted image may lead to arbitrary code execution Description: A buffer overflow was addressed with improved bounds checking. CVE-2021-30785: CFF of Topsec Alpha Team, Mickey Jin (@patch1t) of Trend Micro Kernel Available for: Apple Watch Series 3 and later Impact: A malicious attacker with arbitrary read and write capability may be able to bypass Pointer Authentication Description: A logic issue was addressed with improved state management. CVE-2021-30769: Linus Henze (pinauten.de) Kernel Available for: Apple Watch Series 3 and later Impact: An attacker that has already achieved kernel code execution may be able to bypass kernel memory mitigations Description: A logic issue was addressed with improved validation. CVE-2021-30770: Linus Henze (pinauten.de) libxml2 Available for: Apple Watch Series 3 and later Impact: A remote attacker may be able to cause arbitrary code execution Description: This issue was addressed with improved checks. CVE-2021-30798: Mickey Jin (@patch1t) of Trend Micro WebKit Available for: Apple Watch Series 3 and later Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A type confusion issue was addressed with improved state handling. CVE-2021-30758: Christoph Guttandin of Media Codings WebKit Available for: Apple Watch Series 3 and later Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A use after free issue was addressed with improved memory management. CVE-2021-30795: Sergei Glazunov of Google Project Zero WebKit Available for: Apple Watch Series 3 and later Impact: Processing maliciously crafted web content may lead to code execution Description: This issue was addressed with improved checks. CVE-2021-30797: Ivan Fratric of Google Project Zero Additional recognition CoreText We would like to acknowledge Mickey Jin (@patch1t) of Trend Micro for their assistance. Safari We would like to acknowledge an anonymous researcher for their assistance. Sandbox We would like to acknowledge Csaba Fitzl (@theevilbit) of Offensive Security for their assistance. Installation note: Instructions on how to update your Apple Watch software are available at https://support.apple.com/kb/HT204641 To check the version on your Apple Watch, open the Apple Watch app on your iPhone and select "My Watch > General > About". Alternatively, on your watch, select "My Watch > General > About". Information will also be posted to the Apple Security Updates web site: https://support.apple.com/kb/HT201222 This message is signed with Apple's Product Security PGP key, and details are available at: https://www.apple.com/support/security/pgp/ -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEbURczHs1TP07VIfuZcsbuWJ6jjAFAmD4r/wACgkQZcsbuWJ6 jjA5JA/+KaHxQskvddxN7TYrwa0mVsrNsHcb+BWwJmmW79hEP54U3+biN5Wr6yn4 BiOuiPjXgED3prcu+kNeaUQfSSebbtuw/+GdrL1IKiEsVdywCOHbWdVm3rdB/fae mY0SpseN6PtJDHayThY4XIdkLsbiqPDaZsVBUB6Rzk01t3QmsXyBFS9M4wqJf/cS LqELCvY1Z++ZyFPaZuzY/EWHqN19RQ2T9XXw+lg9fURwnmqDHz+OB/9T0S6EHAm3 Xgp8artbbu9y7xUD93ApbE0eiroVZ56QBMNG7A3mOgKkKmW731DQyZEhJRV1nW5N Xusw0gEx6evQlDwIUMVKUxgdOT2mTMJgOCbINLurgUdf4yewDsPQxB+0TElETo2I x9DC9XzcN0kls0Yvk04tZ3DgRk6GM1L908ScsufS7x9TiclidSxbKhuUuT58OpDx n0Ix/9W0xE6nTBBUG1E21QW6CDus7ulw2hzLmN8mfp1JhN5zjrDX/qXRJ4uCRk0x 4ElU3Y5lpdgd7dhH3E3dOjy5WD92EdwquVre8aqhlWDeK3TkowLgcT17nNw1WXXz rt2RbptgvEtHHM5B0lpcorCoMExYcSmk7vvvu71V1wv3Yt/IGxL0fFo+Iwnkajfd towV3kQLLedLX9IWR/Mc7dBb5rhEaJUCmkhwIZj2l/ZpIVW/xXo=xUNU -----END PGP SIGNATURE-----

AFFECTED PRODUCTS

CVSS

PROBLEMTYPE DATA

THREAT TYPE

remote

TYPE

other

PATCH

EXTERNAL IDS

REFERENCES

CREDITS

Apple

SOURCES

LAST UPDATE DATE

2024-08-14T12:12:11.167000+00:00

SOURCES UPDATE DATE

SOURCES RELEASE DATE