CVE-2018-1000007
libcurl 7.1 through 7.57.0 might accidentally leak authentication data to third parties. When asked to send custom headers in its HTTP requests, libcurl will send that set of headers first to the host
02 Description
libcurl 7.1 through 7.57.0 might accidentally leak authentication data to third parties. When asked to send custom headers in its HTTP requests, libcurl will send that set of headers first to the host
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 9.90% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 95.5% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2018-01-24 22:00Z8 YR AGO
- Last updated
- 2024-08-05 12:33Z2 YR AGO
- Reserved
- 2018-01-22
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass
- Data version
- 5.1
- Document digest
- c6f7ba37833920a63de0be6157c4a718b707acdaf8d4b978b1bb1d979e49ff71
05 Affected products
06 References
- usn.ubuntu.comUSN-3554-2https://usn.ubuntu.com/3554-2/
- usn.ubuntu.comUSN-3554-1https://usn.ubuntu.com/3554-1/
- access.redhat.comRHSA-2018:3558https://access.redhat.com/errata/RHSA-2018:3558
- www.debian.orgDSA-4098https://www.debian.org/security/2018/dsa-4098
- curl.haxx.sehttps://curl.haxx.se/docs/adv_2018-b3bf.html
- www.securitytracker.com1040274http://www.securitytracker.com/id/1040274
- access.redhat.comRHSA-2018:3157https://access.redhat.com/errata/RHSA-2018:3157
- lists.debian.org[debian-lts-announce] 20180129 [SECURITY] [DLA 1263-1] curl security updatehttps://lists.debian.org/debian-lts-announce/2018/01/msg00038.html
- access.redhat.comRHBA-2019:0327https://access.redhat.com/errata/RHBA-2019:0327
- access.redhat.comRHSA-2019:1543https://access.redhat.com/errata/RHSA-2019:1543
- www.oracle.comhttps://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
- access.redhat.comRHSA-2020:0544https://access.redhat.com/errata/RHSA-2020:0544
- access.redhat.comRHSA-2020:0594https://access.redhat.com/errata/RHSA-2020:0594
- www.openwall.com[oss-security] 20220427 [SECURITY ADVISORY] curl auth/cookie leak on redirecthttp://www.openwall.com/lists/oss-security/2022/04/27/4
07 Fixed in
Arch Linux
- curl Fixed in 7.58.0-1
- lib32-curl Fixed in 7.58.0-1
- lib32-libcurl-compat Fixed in 7.58.0-1
- lib32-libcurl-gnutls Fixed in 7.58.0-1
- libcurl-compat Fixed in 7.58.0-1
- libcurl-gnutls Fixed in 7.58.0-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
Debian 12
- curl Fixed in 7.58.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- curl Fixed in 7.58.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- curl Fixed in 7.58.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- curl Fixed in 7.35.0-1ubuntu2.14
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- curl Fixed in 7.47.0-1ubuntu2.6
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.