Unrar vulnerabilitiesAnd the versions its exploited flaws hit.

Product1 known exploited9 versions
The short answer

Unrar is made by Rarlab. We track 14 published vulnerabilities in it, across 9 versions. 1 of them is on the list of flaws known to be exploited, the newest added on 9 August 2022. If you run Unrar, check your version against the exploited flaws below and patch those first.

Check your version

The most recent Unrar flaw added to the known-exploited list is CVE-2022-30333, on 9 August 2022. We keep watching the known-exploited list.

Versions

Which versions of Unrar do the exploited flaws hit?

Each exploited flaw lists the versions it affects, usually as ranges. "before 6.12" means every version up to, but not including, 6.12. Find your version, then patch.

  • CVE-2022-30333Exploited list, 9 Aug 2022

    RARLAB UnRAR Directory Traversal Vulnerability

    before 6.12
Known exploited

Which Unrar vulnerabilities are being exploited?

1 flaw is on the government list of vulnerabilities known to be exploited. These are the ones criminals are using now, so they go first, whatever their severity score says.

  1. 7.5
    CVE-2022-30333HighKnown exploited
    RARLAB UnRAR Directory Traversal Vulnerability

    RARLAB UnRAR on Linux and UNIX contains a directory traversal vulnerability, allowing an attacker to write to files during an extract (unpack) operation.

    Chance of use>99%Known exploited since9 Aug 2022
Exploit likelihood

Which Unrar flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.

50% or more10% to 49%Under 10%
  1. >99%
    CVE-2022-30333HighKnown exploited

    RARLAB UnRAR before 6.12 on Linux and UNIX allows directory traversal to write to files during an extract (aka unpack) operation, as demonstrated by creating a ~/.ssh/authorized_keys file.

    CVSS7.5Published9 May 2022
  2. 10%

    A VMSF_DELTA memory corruption was discovered in unrar before 5.5.5, as used in Sophos Anti-Virus Threat Detection Engine before 3.37.2 and other products, that can lead to arbitrary code execution.

    CVSS9.8Published22 Jun 2017
  3. 4.0%

    Stack-based buffer overflow in RARLabs Unrar, as packaged in WinRAR and possibly other products, allows user-assisted remote attackers to execute arbitrary code via a crafted, password-protected archive.

    CVSS6.8Published8 Feb 2007
  4. 3.0%

    UnRAR before 5.5.7 allows remote attackers to bypass a directory-traversal protection mechanism via vectors involving a symlink to the .

    CVSS7.5Published18 Aug 2017
  5. 2.3%

    libunrar.a in UnRAR before 5.5.7 has a buffer overflow in the Unpack::LongLZ function.

    CVSS9.8Published18 Aug 2017
  6. 2.2%

    libunrar.a in UnRAR before 5.5.7 has an out-of-bounds read in the Unpack::Unpack20 function.

    CVSS9.8Published18 Aug 2017
  7. 2.2%

    libunrar.a in UnRAR before 5.5.7 has an out-of-bounds read in the EncodeFileName::Decode call within the Archive::ReadHeader15 function.

    CVSS9.8Published18 Aug 2017
  8. 2.1%

    Integer signedness error in the SET_VALUE function in rarvm.cpp in unrar 3.70 beta 3, as used in products including WinRAR and RAR for OS X, allows user-assisted remote attackers to cause a denial of service (crash)...

    CVSS4.3Published12 Jul 2007
  9. 2.1%

    unrar 0.0.1 (aka unrar-free or unrar-gpl) suffers from a directory traversal vulnerability for RAR v2 archives: pathnames of the form ../[filename] are unpacked into the upper directory.

    CVSS7.5Published3 Sep 2017
  10. 1.8%

    unrar 0.0.1 (aka unrar-free or unrar-gpl) suffers from a stack-based buffer over-read in unrarlib.c, related to ExtrFile and stricomp.

    CVSS9.1Published3 Sep 2017
Precursor Intelligence

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We track 14 published vulnerabilities listed under the name Unrar, across 9 versions. The most recent Unrar flaw added to the known-exploited list is CVE-2022-30333, on 9 August 2022.

1 is on the list of flaws known to be exploited. The most recently added is CVE-2022-30333.

Each flaw names its own versions, usually as ranges. The newest, CVE-2022-30333, affects before 6.12. The versions for every exploited flaw are listed on this page.

Create a Precursor Intelligence account and track Unrar. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.