CVE-2019-18348

An issue was discovered in urllib2 in Python 2.x through 2.7.17 and urllib in Python 3.x through 3.8.0. CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the first argument to urllib.request.urlopen with \r\n (specifically in the host component of a URL) followed by an HTTP header. This is similar to the CVE-2019-9740 query string issue and the CVE-2019-9947 path string issue. (This is not exploitable when glibc has CVE-2016-10739 fixed.). This is fixed in: v2.7.18, v2.7.18rc1; v3.5.10, v3.5.10rc1; v3.6.11, v3.6.11rc1, v3.6.12; v3.7.8, v3.7.8rc1, v3.7.9; v3.8.3, v3.8.3rc1, v3.8.4, v3.8.4rc1, v3.8.5, v3.8.6, v3.8.6rc1.
Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
mitreCNA
---
---
CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 74%
VendorProductVersion
pythonpython
2.0 ≤
𝑥
≤ 2.7.17
pythonpython
3.0 ≤
𝑥
< 3.5.10
pythonpython
3.6.0 ≤
𝑥
< 3.6.11
pythonpython
3.7.0 ≤
𝑥
< 3.7.8
pythonpython
3.8.0 ≤
𝑥
< 3.8.3
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
python2.7
bullseye
2.7.18-8+deb11u1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
python2.7
noble
dne
mantic
dne
lunar
dne
kinetic
not-affected
jammy
not-affected
impish
not-affected
hirsute
not-affected
groovy
not-affected
focal
not-affected
eoan
ignored
disco
ignored
bionic
Fixed 2.7.17-1~18.04ubuntu1
released
xenial
Fixed 2.7.12-1ubuntu0~16.04.11
released
trusty
Fixed 2.7.6-8ubuntu0.6+esm5
released
python3.4
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
dne
focal
dne
eoan
dne
disco
dne
bionic
dne
xenial
dne
trusty
Fixed 3.4.3-1ubuntu1~14.04.7+esm6
released
python3.5
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
dne
focal
dne
eoan
dne
disco
dne
bionic
dne
xenial
Fixed 3.5.2-2ubuntu0~16.04.10
released
trusty
Fixed 3.5.2-2ubuntu0~16.04.4~14.04.1+esm1
released
python3.6
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
dne
focal
dne
eoan
dne
disco
dne
bionic
Fixed 3.6.9-1~18.04ubuntu1
released
xenial
dne
trusty
dne
python3.7
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
dne
focal
dne
eoan
Fixed 3.7.5-2~19.10ubuntu1
released
disco
ignored
bionic
Fixed 3.7.5-2ubuntu1~18.04.2+esm3
released
xenial
dne
trusty
dne
python3.8
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
Fixed 3.8.2-1ubuntu1.1
released
focal
Fixed 3.8.2-1ubuntu1.1
released
eoan
ignored
disco
ignored
bionic
Fixed 3.8.0-3ubuntu1~18.04.2+esm2
released
xenial
dne
trusty
dne
References