CVE-2022-37434

CRITICAL

Zlib < 1.2.12 - Out-of-Bounds Write

Title source: rule

Description

zlib through 1.2.12 has a heap-based buffer over-read or buffer overflow in inflate in inflate.c via a large gzip header extra field. NOTE: only applications that call inflateGetHeader are affected. Some common applications bundle the affected zlib source code but may be unable to call inflateGetHeader (e.g., see the nodejs/node reference).

Exploits (3)

nomisec WORKING POC 3 stars

by xen0bit · poc

https://github.com/xen0bit/CVE-2022-37434_poc

View Code ZIP pw:eip

nomisec STUB

by Trinadh465 · poc

https://github.com/Trinadh465/external_zlib_CVE-2022-37434

View Code ZIP pw:eip

nomisec

by Trinadh465 · poc

https://github.com/Trinadh465/external_zlib_android-6.0.1_r22_CVE-2022-37434

View on nomisec

References (27)

[Mailing List, Third Party Advisory] http://seclists.org/fulldisclosure/2022/Oct/37

[Mailing List, Third Party Advisory] http://seclists.org/fulldisclosure/2022/Oct/38

[Mailing List, Third Party Advisory] http://seclists.org/fulldisclosure/2022/Oct/41

[Mailing List, Third Party Advisory] http://seclists.org/fulldisclosure/2022/Oct/42

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2022/08/05/2

[Mailing List, Patch, Third Party Advisory] http://www.openwall.com/lists/oss-security/2022/08/09/1

[Exploit, Issue Tracking, Third Party Advisory] https://github.com/curl/curl/issues/9271

[Exploit, Third Party Advisory] https://github.com/ivd38/zlib_overflow

[Exploit, Third Party Advisory] https://github.com/madler/zlib/blob/21767c654d31d2dccdde4330529775c6c5fd5389/zlib.h#L1062-L1063

[Patch, Third Party Advisory] https://github.com/madler/zlib/commit/eff308af425b67093bab25f80f1ae950166bece1

[Exploit, Third Party Advisory] https://github.com/nodejs/node/blob/75b68c6e4db515f76df73af476eccf382bbcb00a/deps/zlib/inflate.c#L762-L764

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2022/09/msg00012.html

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWN4VE3JQR4O2SOUS5TXNLANRPMHWV4I/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NMBOJ77A7T7PQCARMDUK75TE6LLESZ3O/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAVPQNCG3XRLCLNSQRM3KAN5ZFMVXVTY/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X5U7OTKZSHY2I3ZFJSR2SHFHW72RKGDK/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YRQAI7H4M4RQZ2IWZUEEXECBE5D56BH2/

[Third Party Advisory] https://security.netapp.com/advisory/ntap-20220901-0005/

[Third Party Advisory] https://security.netapp.com/advisory/ntap-20230427-0007/

[Third Party Advisory] https://support.apple.com/kb/HT213488

... and 7 more

Scores

CVSS v3 9.8

EPSS 0.9254

EPSS Percentile 99.7%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-120 CWE-787

Status published

Products (20)

apple/ipados < 15.7.1

apple/iphone_os < 15.7.1

apple/macos 11.0 - 11.7.1

apple/watchos < 9.1

debian/debian_linux 10.0

fedoraproject/fedora 35

fedoraproject/fedora 36

fedoraproject/fedora 37

netapp/active_iq_unified_manager (2 CPE variants)

netapp/h300s_firmware

... and 10 more

Published Aug 05, 2022

Tracked Since Feb 18, 2026