CVE-2017-18239

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

A time-sensitive equality check on the JWT signature in the JsonWebToken.validate method in main/scala/authentikat/jwt/JsonWebToken.scala in authentikat-jwt (aka com.jason-goodwin/authentikat-jwt) version 0.4.5 and earlier allows the supplier of a JWT token to guess bit after bit of the signature by repeating validation requests.

Metrics

CVSS 3.0 9.8/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected software

No affected versions have been published.

Timeline

Published: Mar 18, 2018
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2017

CVE-2017-182405.5The Gentoo app-admin/collectd package before 5.7.2-r1 sets the ownership of PID file directory to the collectd account, which might allow lo CVE-2017-182415.5fs/f2fs/segment.c in the Linux kernel before 4.13 allows local users to cause a denial of service (NULL pointer dereference and panic) by us CVE-2017-182426.5The apply_dependent_coupling function in libavcodec/aacdec.c in Libav 12.2 allows remote attackers to cause a denial of service (out-of-boun CVE-2017-182436.5The unpack_parse_unit function in libavcodec/dirac_parser.c in Libav 12.2 allows remote attackers to cause a denial of service (segmentation CVE-2017-182446.5The stereo_processing function in libavcodec/aacps.c in Libav 12.2 allows remote attackers to cause a denial of service (out-of-bounds read)CVE-2017-182456.5The mpc8_probe function in libavformat/mpc8.c in Libav 12.2 allows remote attackers to cause a denial of service (heap-based buffer over-rea CVE-2017-182466.5The pcm_encode_frame function in libavcodec/pcm.c in Libav 12.2 allows remote attackers to cause a denial of service (heap-based buffer over CVE-2017-182476.5The av_audio_fifo_size function in libavutil/audio_fifo.c in Libav 12.2 allows remote attackers to cause a denial of service (NULL pointer d CVE-2017-182485.3The add_job function in scheduler/ipp.c in CUPS before 2.2.6, when D-Bus support is enabled, can be crashed by remote attackers by sending p CVE-2017-182497.0The add_free_nid function in fs/f2fs/node.c in the Linux kernel before 4.12 does not properly track an allocated nid, which allows local use CVE-2017-182506.5An issue was discovered in ImageMagick 7.0.7. A NULL pointer dereference vulnerability was found in the function LogOpenCLBuildFailure in Ma CVE-2017-182516.5An issue was discovered in ImageMagick 7.0.7. A memory leak vulnerability was found in the function ReadPCDImage in coders/pcd.c, which allo