Improper input validation in Haproxy
CVE-2013-2175
HAProxy 1.4 before 1.4.24 and 1.5 before 1.5-dev19, when configured to use hdr_ip or other "hdr_*" functions with a negative occurrence count, allows remote attackers to cause a denial of service (negative array index usage and crash) via an HTTP header with a certain number of values, related to the MAX_HDR_HISTORY variable.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.035 (88.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.035 · newest: 0.035 · change: 0.000
Affected products
- Haproxy — versions 1.4, 1.4.0, 1.4.1
- Canonical Ubuntu Linux — versions 12.04, 12.10, 13.04
- Debian Linux — versions 6.0
- Red Hat Enterprise Linux Load Balancer — versions 6.0, 6.4
Weakness classification (CWE)
References
- rhn.redhat.com/errata/RHSA-2013-1204.html (vendor-advisory, Third Party Advisory)
- marc.info/ (mailing-list, Patch, Third Party Advisory)
- secunia.com/advisories/54344 (third-party-advisory)
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking)
- www.debian.org/security/2013/dsa-2711 (vendor-advisory, Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2013-1120.html (vendor-advisory, Third Party Advisory)
- www.ubuntu.com/usn/USN-1889-1 (vendor-advisory, Third Party Advisory)