Home/CVE/APT had several integer overflows and underflows while parsing .deb packages, aka GHSL-2020-168 GHSL-2020-169, in files
CVE

CVE-2020-27350

APT had several integer overflows and underflows while parsing .deb packages, aka GHSL-2020-168 GHSL-2020-169, in files

APT had several integer overflows and underflows while parsing .deb packages, aka GHSL-2020-168 GHSL-2020-169, in files apt-pkg/contrib/extracttar.cc, apt-pkg/deb/debfile.cc, and apt-pkg/contrib/arfile.cc. This issue affects: apt 1.2.32ubuntu0 versions prior to 1.2.32ubuntu0.2.

1.6.12ubuntu0 versions prior to 1.6.12ubuntu0.2.

2.0.2ubuntu0 versions prior to 2.0.2ubuntu0.2.

2.1.10ubuntu0 versions prior to 2.1.10ubuntu0.1;.

MEDIUM · CVSS 5.7 EPSS 0.00156
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-190Integer Overflow or Wraparound
CWE-190Integer Overflow or Wraparound
▤

Affected Products & Versions

6
debian advanced package tool>= 1.2.32ubuntu0 and < 1.2.32ubuntu0.2
debian advanced package tool>= 1.6.12ubuntu0 and < 1.6.12ubuntu0.2
debian advanced package tool>= 2.0.2ubuntu0 and < 2.0.2ubuntu0.2
debian advanced package tool>= 2.1.10ubuntu0 and < 2.1.10ubuntu0.2
debian advanced package tool< 1.8.2.2
netapp solidfire baseboard management controller firmwareall versions
▣

Scoring & Timeline

5.7
MEDIUM · CVSS v3.1 · security@ubuntu.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD10 Dec 2020 · 04:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
⚑

Vendor Advisories

2
usnUSN-4667-2
usnUSN-4667-1
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugs.launchpad.net/bugs/1899193Broken Link
https://security.netapp.com/advisory/ntap-20210108-0005/Third Party Advisory
https://usn.ubuntu.com/usn/usn-4667-1Vendor Advisory
https://www.debian.org/security/2020/dsa-4808Vendor Advisory
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