Summary
USN-5227-1 fixed vulnerabilities in Pillow. It was discovered that the fix
for CVE-2022-22817 was incomplete. This update fixes the problem.
Original advisory details:
It was discovered that Pillow incorrectly handled certain image files. If a
user or automated system were tricked into opening a specially-crafted
file, a remote attacker could cause Pillow to hang, resulting in a denial
of service. (CVE-2021-23437)
It was discovered that Pillow incorrectly handled certain image files. If a
user or automated system were tricked into opening a specially-crafted
file, a remote attacker could cause Pillow to crash, resulting in a denial
of service. This issue ony affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and
Ubuntu 21.04. (CVE-2021-34552)
It was discovered that Pillow incorrectly handled certain image files. If a
user or automated system were tricked into opening a specially-crafted
file, a remote attacker could cause Pillow to crash, resulting in a denial
of service, or possibly execute arbitrary code. (CVE-2022-22815)
It was discovered that Pillow incorrectly handled certain image files. If a
user or automated system were tricked into opening a specially-crafted
file, a remote attacker could cause Pillow to crash, resulting in a denial
of service. (CVE-2022-22816)
It was discovered that Pillow incorrectly handled certain image files. If a
user or automated system were tricked into opening a specially-crafted
file, a remote attacker could cause Pillow to crash, resulting in a denial
of service, or possibly execute arbitrary code. (CVE-2022-22817)
Fixed packages 2
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 18.04 LTS 18.04:LTS | pillow | 5.1.0-1ubuntu0.8 |
| Ubuntu · 20.04 LTS 20.04:LTS | pillow | 7.0.0-4ubuntu0.6 |
Vulnerabilities 1
-
Critical 9.8
Arbitrary expression injection in Pillow
PIL.ImageMath.eval in Pillow before 9.0.0 allows evaluation of arbitrary expressions, such as ones that use the Python exec method. A lambda expression could also be used.
References
-
report
https://ubuntu.com/security/CVE-2022-22817