CVE-2023-49606

A use-after-free vulnerability exists in the HTTP Connection Headers parsing in Tinyproxy 1.11.1 and Tinyproxy 1.10.0. A specially crafted HTTP header can trigger reuse of previously freed memory, which leads to memory corruption and could lead to remote code execution. An attacker needs to make an unauthenticated HTTP request to trigger this vulnerability.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
talosCNA
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA-ADPADP
---
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CVEADP
---
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Base Score
CVSS 3.x
EPSS Score
Percentile: 98%
VendorProductVersion
tinyproxy_projecttinyproxy
1.10.0
tinyproxy_projecttinyproxy
1.11.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
tinyproxy
bullseye
vulnerable
buster
postponed
bullseye (security)
1.10.0-5+deb11u1
fixed
bookworm
1.11.1-2.1+deb12u1
fixed
bookworm (security)
1.11.1-2.1+deb12u1
fixed
trixie
1.11.2-1
fixed
sid
1.11.2-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
tinyproxy
oracular
Fixed 1.11.2-1
released
noble
needed
mantic
ignored
jammy
needed
focal
needed
bionic
not-affected
xenial
not-affected
trusty
not-affected
Common Weakness Enumeration
References
http://www.openwall.com/lists/oss-security/2024/05/07/1
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1889
http://www.openwall.com/lists/oss-security/2024/05/07/1
https://lists.debian.org/debian-lts-announce/2024/09/msg00035.html
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1889
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1889