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CVE-2021-23841

Integer Overflow in openssl-src

Impact

Calls to EVP_CipherUpdate, EVP_EncryptUpdate and EVP_DecryptUpdate may overflow the output length argument in some cases where the input length is close to the maximum permissable length for an integer on the platform. In such cases the return value from the function call will be 1 (indicating success), but the output length value will be negative. This could cause applications to behave incorrectly or crash. OpenSSL versions 1.1.1i and below are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1j. OpenSSL versions 1.0.2x and below are affected by this issue. However OpenSSL 1.0.2 is out of support and no longer receiving public updates. Premium support customers of OpenSSL 1.0.2 should upgrade to 1.0.2y. Other users should upgrade to 1.1.1j. Fixed in OpenSSL 1.1.1j (Affected 1.1.1-1.1.1i). Fixed in OpenSSL 1.0.2y (Affected 1.0.2-1.0.2x).

Affected packages

EcosystemPackageAffectedFixed in
rustopenssl-src< 111.14.0111.14.0

Affected products

VendorProductAffected versions
OpensslOpenssl
from 1.0.2 before 1.0.2y
from 1.1.1 before 1.1.1j
DebianDebian Linux
Version 10.0
TenableNessus Network Monitor
Versions 5.11.0, 5.11.1, 5.12.0, 5.12.1, 5.13.0
TenableTenable.Sc
from 5.13.0 through 5.17.0
AppleSafari
before 14.1.1
AppleIpados
before 14.6
AppleIphone Os
before 14.6
AppleMacos
from 11.1 before 11.4
NetappOncommand Insight
All versions
NetappOncommand Workflow Automation
All versions
NetappSnapcenter
All versions
OracleBusiness Intelligence
Versions 5.5.0.0.0, 5.9.0.0.0, 12.2.1.3.0, 12.2.1.4.0

Weakness classification

CWE-476CWE-190

References