ArchLinux: 201901-10: go-pie: private key recovery

    Date27 Jan 2019
    Posted ByAnthony Pell
    The package go before version 2:1.11.5-1 is vulnerable to private key recovery.
    Arch Linux Security Advisory ASA-201901-11
    Severity: Medium
    Date    : 2019-01-24
    CVE-ID  : CVE-2019-6486
    Package : go
    Type    : private key recovery
    Remote  : Yes
    Link    :
    The package go before version 2:1.11.5-1 is vulnerable to private key
    Upgrade to 2:1.11.5-1.
    # pacman -Syu "go>=2:1.11.5-1"
    The problem has been fixed upstream in version 1.11.5.
    Go before versions 1.10.8 and 1.11.5 has a vulnerability in the
    crypto/elliptic implementations of the P-521 and P-384 elliptic curves.
    A remote attacker can exploit this by crafting inputs that consume
    excessive amounts of CPU. These inputs might be delivered via TLS
    handshakes, X.509 certificates, JWT tokens, ECDH shares or ECDSA
    signatures. In some cases, if an ECDH private key is reused more than
    once, the attack can also lead to key recovery.
    A remote attacker can crash the system with maliciously crafted input,
    or recover the private key.
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